Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
11746 words
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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProC1 (1807) Pro
appellate
C1
/əˈpɛl.ət/
relating to appeals or to the authority to review and change decisions of lower courts
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assiduous
C1
/əˈsɪdʒ.u.əs/
showing great care, attention, and effort in one's work or duties
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avowedly
C1
/əˈvaʊɪdli/
in an openly acknowledged or declared manner
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beleaguered
C1
/bɪˈliːɡərd/
experiencing difficulties or trouble, often due to being surrounded by problems
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bugbear
C1
/ˈbʌɡbɛr/
a persistent source of irritation or annoyance
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centripetal
C1
/sɛnˈtrɪpətəl/
directed towards the center or axis of rotation
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clairvoyant
C1
/klɛrˈvɔɪənt/
a person who claims to have the ability to perceive events in the future or beyond normal sensory contact
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conflation
C1
/kənˈfleɪʃən/
the act of combining two or more things into one
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deluded
C1
/dɪˈluːdɪd/
having false beliefs or opinions, often due to being misled or deceived
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emanate
C1
/ˈɛməˌneɪt/
to originate or come out from a source
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emanation
C1
/ˌɛməˈneɪʃən/
something that is emitted or radiated from a source
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equivocation
C1
/ɪˌkwɪvəˈkeɪʃən/
the use of ambiguous language to conceal the truth or to avoid committing oneself
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evocative
C1
/ɪˈvɑːkətɪv/
bringing strong images, memories, or feelings to mind
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exchequer
C1
/ɛksˈtʃɛkɚ/
the national treasury or financial department of a government
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frazzled
C1
/ˈfræzəld/
extremely tired or exhausted, often due to stress or overwork
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gaudiness
C1
/ˈɡɔːdinəs/
excessive showiness or flashiness, often lacking in taste or sophistication
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gawker
C1
/ˈɡɔːkər/
a person who stares openly and often rudely
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gnarly
C1
/ˈnɑːrli/
difficult, dangerous, or challenging, often used to describe extreme sports or activities
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idolatry
C1
/aɪˈdɑːlətri/
the worship of idols or physical objects as gods
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incinerate
C1
/ɪnˈsɪnəreɪt/
to burn something completely, reducing it to ashes
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incredulity
C1
/ˌɪnkrəˈduːləti/
disbelief or doubt about something
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inculcate
C1
/ˈɪnkʌlkeɪt/
to instill an idea or habit by persistent instruction
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indentured
C1
/ɪnˈdɛntʃərd/
bound by a formal contract to work for another for a specified time, often without pay in exchange for passage to a new country
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infatuation
C1
/ɪnˌfætʃuˈeɪʃən/
an intense but short-lived passion or admiration for someone or something
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inflection
C1
/ɪnˈflɛkʃən/
a change in the form of a word to show grammatical features
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inoculation
C1
/ɪˌnɑːkjəˈleɪʃən/
the action of immunizing someone against a disease by introducing infective material, microorganisms, or vaccine into the body
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insatiable
C1
/ɪnˈseɪʃəbəl/
impossible to satisfy, especially in terms of desires or appetites
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interstitial
C1
/ˌɪntərˈstɪʃəl/
relating to or situated in the small spaces between things or parts
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intransigence
C1
/ɪnˈtrænsɪdʒəns/
refusal to change one's views or to agree about something
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lawyering
C1
/ˈlɔɪərɪŋ/
the practice or profession of working as a lawyer, involving legal advice and representation
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litigate
C1
/ˈlɪtɪˌɡeɪt/
to take a dispute to a court of law for resolution
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machination
C1
/ˌmækəˈneɪʃən/
a crafty and involved plot to achieve a sinister end
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mnemonic
C1
/nɪˈmɑnɪk/
a device or technique used to aid memory retention
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peevishly
C1
/ˈpiːvɪʃli/
in a manner showing annoyance or irritation, especially in a childish way
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perfidious
C1
/pɚˈfɪdiəs/
deceitful and untrustworthy
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pernicious
C1
/pɚˈnɪʃəs/
having a harmful effect, especially in a gradual or subtle way
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petulantly
C1
/ˈpɛtʃələntli/
in a manner showing sudden, impatient irritation, especially over something minor
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pontificate
C1
/pɑːnˈtɪfɪkeɪt/
to express opinions in a pompous or dogmatic way
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pungency
C1
/ˈpʌndʒənsi/
the quality of having a strong, sharp smell or taste
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purgatory
C1
/ˈpɜrɡəˌtɔri/
a state of suffering or purification for souls before entering heaven
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quavering
C1
/ˈkweɪvərɪŋ/
shaking or trembling in voice, often due to nervousness or emotion
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revelry
C1
/ˈrɛvəlri/
lively and noisy festivities, often involving drinking and dancing
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revocation
C1
/ˌrɛvəˈkeɪʃən/
the official cancellation of a decree, decision, or promise
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seamy
C1
/ˈsiːmi/
showing the unpleasant or sordid aspects of life, often those hidden or ignored
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secession
C1
/sɪˈsɛʃən/
the action of withdrawing formally from membership of a federation or body, especially a political state
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seditious
C1
/sɪˈdɪʃəs/
inciting or causing people to rebel against authority or a state
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skanky
C1
/ˈskæŋki/
dirty or unpleasant, often used to describe a place or object
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snooty
C1
/ˈsnuːti/
showing disapproval or contempt towards others perceived as socially inferior
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strident
C1
/ˈstraɪdənt/
(of a sound) loud and harsh; grating
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tawdry
C1
/ˈtɔːdri/
showy but cheap and of poor quality
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velveteen
C1
/ˈvɛlvətin/
a cotton fabric with a short, dense pile, resembling velvet
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willowy
C1
/ˈwɪloʊi/
gracefully tall, slender, and lithe, often used to describe a person's physique
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sense-organ
C1
/ˈsɛnsˌɔrɡən/
an organ that receives sensory stimuli, such as the eye, ear, or skin
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separable
C1
/ˈsɛpərəbəl/
capable of being separated or considered independently
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subject-matter
C1
/ˈsʌbdʒɛktˌmætər/
the topic or material being discussed, studied, or represented
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drawing-room
C1
/ˈdrɔɪŋˌrum/
a formal sitting room for receiving guests
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arithmetical
C1
/ˌærɪθˈmɛtɪkəl/
relating to arithmetic or numerical calculation
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exemplify
C1
/ɪɡˈzɛmpləˌfaɪ/
to serve as a clear example of something
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unobserved
C1
/ˌʌnəbˈzɜrvd/
not seen, noticed, or watched
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cultivator
C1
/ˈkʌltəˌveɪtər/
a person or tool that cultivates land, plants, or crops
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moralist
C1
/ˈmɔrəlɪst/
a person who teaches, studies, or emphasizes moral principles
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wine-shop
C1
/ˈwaɪnˌʃɑp/
a shop or tavern where wine is sold
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tail-feather
C1
/ˈteɪlˌfɛðər/
one of the feathers in a bird's tail
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wing-feather
C1
/ˈwɪŋˌfɛðər/
one of the feathers of a bird's wing
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one-dimensional
C1
/ˌwʌn dəˈmɛnʃənəl/
having or treating only one dimension; overly narrow or lacking depth
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self-evident
C1
/ˌsɛlfˈɛvɪdənt/
clear or obvious without needing proof
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such-and-such
C1
/ˈsʌtʃənˌsʌtʃ/
used to refer vaguely to a person, thing, place, or amount whose exact identity is not specified
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by-and-by
C1
/ˌbaɪənˈbaɪ/
after a short time; eventually
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breeding-season
C1
/ˈbridɪŋˌsizən/
the time of year when animals mate and produce young
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triangularity
C1
/traɪˌæŋ.ɡjəˈler.ə.t̬i/
the state, quality, or abstract property of being triangular
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nitrous oxide
C1
/ˌnaɪ.trəs ˈɑːk.saɪd/
a colorless, mildly sweet-smelling gas, N2O, used as an anesthetic and propellant and also emitted as a powerful greenhouse gas
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pro tem
C1
/ˌproʊ ˈtem/
temporarily; for the time being
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totem pole
C1
/ˈtoʊ.t̬əm ˌpoʊl/
a tall carved and often painted wooden pole made by Indigenous peoples of the Northwest Coast of North America to represent family lineage, crests, histories, or important events
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gold seeker
C1
/ˈɡoʊld ˌsiː.kɚ/
a person who searches or prospects for gold, especially someone drawn to a gold-rush region
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taxer
C1
/ˈtæksɝ/
a person or authority that imposes or assesses taxes
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republication
C1
/ˌriːˌpʌblɪˈkeɪʃən/
the act of publishing again
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blindman's buff
C1
/ˌblaɪndmænz ˈbʌf/
a game in which a blindfolded player tries to catch and identify the other players
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unentertaining
C1
/ˌʌnˌɛntərˈteɪnɪŋ/
not entertaining, interesting, or enjoyable; dull
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smitten
C1
/ˈsmɪtən/
deeply infatuated or in love with someone
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