Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
11746 words
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Page 15 of 61
Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
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heathen
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/ˈhiːðən/
a person not belonging to a widely held religion; irreligious
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heedless
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/ˈhiːdləs/
showing a reckless lack of care or attention
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hefty
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/ˈhɛfti/
large, heavy, and powerful; substantial in amount
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homosexual
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/ˌhoʊməˈsɛkʃuəl/
sexually attracted to people of one's own sex
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humanistic
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/ˌhjuːməˈnɪstɪk/
relating to human values, interests, or the study of humanities
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humility
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/hjuˈmɪlɪti/
a modest or humble view of one's own importance
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hurty
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/ˈhɝti/
causing or feeling pain (informal)
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hydrate
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/ˈhaɪˌdreɪt/
to supply with water; a compound containing water molecules
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hyperbolize
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/haɪˈpɝbəˌlaɪz/
to exaggerate or describe in extravagant terms
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idealism
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/aɪˈdiːəˌlɪzəm/
the pursuit of high ideals; a philosophy stressing mind or ideas
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identicalness
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/aɪˈdɛntɪkəlnəs/
the state of being exactly the same
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ignominy
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/ˈɪɡnəmɪni/
public shame or disgrace resulting from dishonourable conduct
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immanent
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/ˈɪmənənt/
existing or operating within; inherent and pervading the natural world
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immorally
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/ɪˈmɔrəli/
in a way that violates accepted principles of right conduct
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impairment
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/ɪmˈpɛrmənt/
a weakening or damaging of a function, faculty, or value
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impending
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/ɪmˈpɛndɪŋ/
about to happen, especially something threatening or unwelcome
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imprecate
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/ˈɪmprɪkeɪt/
to invoke or call down a curse upon someone
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inadequacy
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/ɪnˈædɪkwəsi/
the state of being insufficient or not good enough for a purpose
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inauspicious
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/ˌɪnɔˈspɪʃəs/
not promising success; suggesting that the future is unlucky
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incantation
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/ˌɪnkænˈteɪʃən/
a series of words said as a magic spell or charm
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incontinently
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/ɪnˈkɑntɪnəntli/
without restraint; (archaic) immediately or at once
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indecent
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/ɪnˈdisənt/
offending against accepted standards of decency or propriety
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indeterminate
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/ˌɪndɪˈtɜrmɪnət/
not exactly known, established, or fixed in nature or extent
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indicative
C2+
/ɪnˈdɪkətɪv/
serving as a sign or indication of something
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indifferently
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/ɪnˈdɪfrəntli/
without interest or concern; in a mediocre manner
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indistinguishable
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/ˌɪndɪˈstɪŋɡwɪʃəbəl/
impossible to tell apart from something else
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indoctrinate
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/ɪnˈdɑktrɪneɪt/
to teach someone to accept a set of beliefs uncritically
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inelegant
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/ɪnˈɛlɪɡənt/
lacking grace, refinement, or style
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informatory
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/ɪnˈfɔrmətɔri/
giving information; instructive
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infrequent
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/ɪnˈfrikwənt/
not occurring often; rare
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ingeniousness
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/ɪnˈdʒinjəsnəs/
the quality of being clever, original, and inventive
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ingress
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/ˈɪnɡrɛs/
the act or means of entering a place
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initialize
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/ɪˈnɪʃəlaɪz/
to set to a starting state; to prepare a device or variable for use
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innately
C2+
/ɪˈneɪtli/
in a way that is inborn or natural rather than learned
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innocence
C2+
/ˈɪnəsəns/
freedom from guilt, sin, or worldly knowledge
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instability
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/ˌɪnstəˈbɪləti/
the state of being unsteady, unreliable, or prone to change
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instructive
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/ɪnˈstrʌktɪv/
useful in providing knowledge or information; enlightening
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intimately
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/ˈɪntɪmətli/
in a close, personal, or detailed way
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intricate
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/ˈɪntrɪkət/
very complicated or detailed in structure or arrangement
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introductory
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/ˌɪntrəˈdʌktəri/
serving as a beginning or first part; preliminary
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invalidate
C2+
/ɪnˈvælɪdeɪt/
to make something no longer valid or legally binding
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invaluable
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/ɪnˈvæljuəbəl/
extremely useful; too precious to be measured in value
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inveterate
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/ɪnˈvɛtərət/
having a long-established and unlikely-to-change habit
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invincible
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/ɪnˈvɪnsəbəl/
too powerful to be defeated or overcome
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irregardless
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/ˌɪrɪˈɡɑrdləs/
(nonstandard) regardless; without regard to circumstances
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journeyman
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/ˈdʒɜrnimən/
a trained worker qualified in a trade; a competent but unremarkable performer
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judiciary
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/dʒuˈdɪʃiɛri/
the branch of government, or the body of judges, that administers justice
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justicer
C2+
/ˈdʒʌstɪsər/
(archaic) one who administers justice; a judge or magistrate
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justiciar
C2+
/dʒʌˈstɪʃiər/
a high medieval English judicial and administrative officer of the crown
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knotty
C2+
/ˈnɑti/
full of knots; complicated and difficult to solve
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lackadaisical
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/ˌlækəˈdeɪzɪkəl/
lacking enthusiasm, energy, or determination
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lastingly
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/ˈlæstɪŋli/
in a way that endures over a long period
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likeliness
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/ˈlaɪklinəs/
the quality of being probable; likelihood
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loneness
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/ˈloʊnnəs/
(literary) the state of being alone or solitary
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longing
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/ˈlɔŋɪŋ/
a strong, persistent yearning or desire
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loudness
C2+
/ˈlaʊdnəs/
the quality or degree of being loud; perceived sound intensity
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luckless
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/ˈlʌkləs/
having or bringing no luck; unfortunate
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lustrate
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/ˈlʌstreɪt/
to purify ceremonially, especially by ritual washing or sacrifice
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macroscopic
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/ˌmækrəˈskɑpɪk/
large enough to be seen by the naked eye; large-scale
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managerial
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/ˌmænəˈdʒɪriəl/
relating to the work or skills of a manager
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manipulator
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/məˈnɪpjəleɪtər/
a person who controls others unfairly; a device for handling objects
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markworthy
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/ˈmɑrkwɜrði/
(rare) worthy of notice or remark; noteworthy
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matrimony
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/ˈmætrɪmoʊni/
the state or ceremony of being married; marriage
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meagerly
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/ˈmiɡərli/
in a scanty or insufficient manner
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meditative
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/ˈmɛdɪteɪtɪv/
given to or expressing deep, calm thought
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mentionable
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/ˈmɛnʃənəbəl/
fit or suitable to be mentioned
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merriment
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/ˈmɛrimənt/
gaiety and fun; lively cheerfulness
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microscopical
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/ˌmaɪkrəˈskɑpɪkəl/
of or relating to the microscope; visible only under magnification
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mildly
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/ˈmaɪldli/
to a moderate degree; gently
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misdeed
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/ˌmɪsˈdid/
a wicked or illegal act; a wrongdoing
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misdoing
C2+
/ˌmɪsˈduɪŋ/
a wrong or improper action; misconduct
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moderation
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/ˌmɑdəˈreɪʃən/
the avoidance of excess or extremes; restraint
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movable
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/ˈmuvəbəl/
capable of being moved; not fixed in place
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multicolored
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/ˈmʌltiˌkʌlərd/
having many colours
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nappy
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/ˈnæpi/
a baby's diaper; or (of hair) tightly curled and frizzy
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narration
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/næˈreɪʃən/
the act or process of telling a story or describing events
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naturalism
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/ˈnætʃərəˌlɪzəm/
a style or doctrine depicting things as they really are in nature
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negate
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/nɪˈɡeɪt/
to nullify or render ineffective
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negligence
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/ˈnɛɡlɪdʒəns/
failure to take proper or reasonable care
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nicety
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/ˈnaɪsɪti/
a fine or subtle point of detail or distinction
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nictitate
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/ˈnɪktɪˌteɪt/
to wink or blink, especially with a nictitating membrane
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nocuous
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/ˈnɑkjuəs/
harmful, noxious, or poisonous
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noiseless
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/ˈnɔɪzləs/
making or accompanied by no sound
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nonconformity
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/ˌnɑnkənˈfɔrmɪti/
failure or refusal to conform to accepted rules or conventions
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noneffervescent
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/ˌnɑnˌɛfərˈvɛsənt/
not bubbling or fizzing; lacking effervescence
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nonsingular
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/ˌnɑnˈsɪŋɡjələr/
of a matrix, having an inverse; invertible
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nonspecific
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/ˌnɑnspɪˈsɪfɪk/
not specific; vague or not limited to a particular cause or type
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nonuniformity
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/ˌnɑnˌjunɪˈfɔrmɪti/
the state of not being uniform or consistent throughout
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normalize
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/ˈnɔrməˌlaɪz/
to bring into conformity with a standard or norm; to make normal
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normative
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/ˈnɔrmətɪv/
relating to or prescribing a norm or standard
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noticeably
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/ˈnoʊtɪsəbli/
to a degree that is clearly perceptible
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nullify
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/ˈnʌlɪˌfaɪ/
to make legally void or cancel out the effect of
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observably
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/əbˈzɜrvəbli/
in a way that can be observed or perceived
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observational
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/ˌɑbzərˈveɪʃənəl/
based on observing rather than experimenting or theorizing
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obstruction
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/əbˈstrʌkʃən/
a thing that blocks a way or passage; the act of hindering
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older
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/ˈoʊldər/
comparative of old; having lived or existed longer
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