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 ProC2 (3931) Pro
diffident
C2
/ˈdɪfɪdənt/
lacking self-confidence
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lilliputian
C2
/ˌlɪləˈpjuʃən/
extremely small, miniature, or petty in scale or importance
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autonomously
C2
/ˌɔˈtɑːnoʊməsli/
In a way that is independent or self-governing.
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higgledy-piggledy
C2
/ˌhɪɡəldiˈpɪɡəldi/
mixed together or arranged in a confused, disorderly way, with no clear plan or pattern
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defray
C2
/dɪˈfɹæɪ/
bear the expenses of
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mangosteen
C2
/ˈmæŋ.ɡoʊ.stin/
a round tropical fruit with a thick purple rind and sweet, juicy white segments
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aphorism
C2
/ˈæfərɪzəm/
a concise, memorable statement expressing a general truth or principle
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interlocutor
C2
/ˌɪn.təɹˈlɑk.jə.təɹ/
A person who takes part in dialogue or conversation: a locutive partner.
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waylay
C2
/ˈweɪleɪ/
to wait for someone in order to attack them or stop them unexpectedly
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repudiation
C2
/rɪˌpjuːdiˈeɪʃən/
the act of rejecting, disowning, or refusing to accept something as valid
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greyish
C2
/ˈɡɹeɪ.ɪʃ/
Alternative spelling of grayish.
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presentment
C2
/prɪˈzɛntmənt/
an appearance, representation, or image presented to the mind
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nurturer
C2
/ˈnɝtʃərɚ/
a person who cares for, supports, or encourages the growth and development of someone or something
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metamorphic
C2
/ˌmɛtəˈmɔɹfɪk/
relating to rock altered by intense heat, pressure, or chemically active fluids without fully melting
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scriptural
C2
/ˈskrɪptʃɚəl/
relating to, contained in, or derived from the sacred writings of a religion, especially the Bible
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heraldic
C2
/hɛˈrældɪk/
relating to heraldry, heralds, coats of arms, or their symbols and rules
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pleasantry
C2
/ˈplɛzəntɹi/
A playful remark; a jest.
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rhetorically
C2
/rəˈtɔrɪkli/
In a way that asks a question without expecting an answer.
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censer
C2
/ˈsɛn.sɚ/
a vessel in which incense is burned, especially a covered metal container swung on chains during a religious ceremony
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cordiality
C2
/koɹˈd͡ʒæl.ɪ.ti/
The quality of being cordial.
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intestate
C2
/ɪnˈtɛsteɪt/
having died without leaving a legally valid will
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haughtily
C2
/ˈhɔtɪli/
In a proud, arrogant way that looks down on others.
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ostracize
C2
/ˈɑstɹəˌsaɪz/
avoid speaking to or dealing with
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automate
C2
/ˈɔ.təˌmeɪt/
To make a process work by machines or computers instead of by people.
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Devonian
C2
/dɪˈvoʊniən/
the geological period of the Paleozoic Era between the Silurian and Carboniferous periods, about 419 to 359 million years ago
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Mandan
C2
/ˈmændæn/
a member of an Indigenous people whose traditional homelands lie along the upper Missouri River in the northern Great Plains
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polyphonic
C2
/ˌpɑːlɪˈfɑːnɪk/
in music, consisting of two or more independent melodic lines sounding together
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lawgiver
C2
/ˈlɔˌɡɪv.ɚ/
One who provides laws to a society.
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connubial
C2
/kəˈnubiəl/
relating to marriage or the relationship between spouses
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mordant
C2
/ˈmoɹd(ə)nt/
Any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation.
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usurpation
C2
/ˌjuː.sɚˈpeɪ.ʃən/
the wrongful seizure and exercise of power, office, authority, or a right
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antediluvian
C2
/ˌæn.ti.dəˈlu.vi.ən/
Extremely old-fashioned, as if from a much earlier age.
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sentimentalism
C2
/ˌsɛntəˈmɛntəlɪzəm/
an excessive or uncritical reliance on tender emotion, especially at the expense of reason or realism
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opacity
C2
/oʊˈpæsɪti/
The quality of not allowing light to pass through.
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skulduggery
C2
/ˌskʌlˈdʌɡəɹi/
A devious device or trick.
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physiologist
C2
/ˌfɪziːˈɑːlədʒɪst/
a biologist specializing in physiology
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de rigueur
C2
/də rɪˈɡɝː/
required by custom, etiquette, convention, or current fashion
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cataleptic
C2
/ˌkætəˈlɛptɪk/
of or having characteristics of or affected with catalepsy
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undulate
C2
/ˈʌndjəleɪt/
increase and decrease in volume or pitch, as if in waves
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contemptuously
C2
/kənˈtɛmp.t͡ʃu.əs.li/
In a way that shows complete lack of respect or scorn.
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ostracism
C2
/ˈɑː.strəˌsɪz.əm/
deliberate exclusion from a group or from social acceptance
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stenography
C2
/stəˈnɑːɡrəfi/
the art, system, or practice of recording speech rapidly in shorthand or with a stenotype machine
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philologist
C2
/fɪˈlɑːlədʒɪst/
a scholar who studies the historical development, structure, and relationships of languages, especially through written texts
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demystify
C2
/diːˈmɪstəˌfaɪ/
To make something easier to understand by explaining it clearly.
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unpremeditated
C2
/ˌʌnpriˈmɛdəˌteɪtɪd/
not planned or thought out in advance; spontaneous but not necessarily accidental
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unimagined
C2
/ˌənɪˈmædʒənd/
not previously conceived, pictured, or expected
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superposition
C2
/ˌsu.pɚ.pəˈzɪʃ.ən/
the geologic principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest
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nauseate
C2
/ˈnɔːziˌeɪt/
to make someone feel sick or as if they are going to vomit
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lapwing
C2
/ˈlæpwɪŋ/
Any of several medium-sized wading birds belonging to the subfamily Vanellinae, within family Charadriidae.
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warty
C2
/ˈwɔrti/
covered with warts or wart-like growths
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wheaten
C2
/ˈwiːtən/
made from, containing, or relating to wheat
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sharer
C2
/ˈʃɛrɚ/
a person who gives, receives, uses, or possesses part of something jointly with others
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arbitrariness
C2
/ˈɑːrbəˌtrɛriːnəs/
The quality or state of being arbitrary; the extent to which something is arbitrary.
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felicitation
C2
/fəˌlɪsəˈteɪʃən/
formal and usually plural: an expression of congratulation, pleasure, or good wishes offered for someone's success or good fortune
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assize
C2
/əˈsaɪz/
A statute or ordinance, especially one regulating weights and measures.
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conjuration
C2
/ˌkɑndʒəˈreɪʃən/
the supposed act of summoning a spirit or supernatural being by magic
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waterless
C2
/ˈwɔtɚləs/
containing no water or lacking an adequate supply of water
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circumlocution
C2
/ˌsɝkəmləˈkjuʃən/
A roundabout or indirect way of speaking; thus
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declension
C2
/dɪˈklɛn.ʃən/
a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
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friable
C2
/ˈfraɪəbəl/
easily crumbled, broken into small fragments, or reduced to powder
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dwarfism
C2
/ˈdwɔɹfɪzəm/
A medical condition that causes a person to be much shorter than average.
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odorous
C2
/ˈoʊdərəs/
having or giving off a noticeable or distinctive smell
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peripatetic
C2
/ˌpɛrəpəˈtɛtɪk/
traveling especially on foot
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pyrrhic
C2
/ˈpɪɹɪk/
of or relating to or resembling Pyrrhus or his exploits, especially his sustaining staggering losses in order to defeat the Romans
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plutonic
C2
/pluˈtɑnɪk/
of igneous rock formed when magma cools and solidifies deep below the earth's surface
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larcenous
C2
/ˈlɑɹsənəs/
inclined to steal, or involving theft
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unexcused
C2
Without an acceptable reason or permission; not officially allowed.
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splay
C2
/spleɪ/
to spread or turn outward and apart, especially from a central point
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rancorous
C2
/ˈræŋkərəs/
showing deep, persistent resentment, bitterness, or malice
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insuperable
C2
/ɪnˈsup(ə)ɹəb(ə)l/
incapable of being surmounted or excelled
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belligerence
C2
/bəˈlɪdʒɝəns/
Aggressive, hostile behaviour or a readiness to fight.
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idiomatic
C2
/ˌɪd.iː.əˈmæt.ɪk/
Using language in a natural way that sounds like a native speaker.
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spatially
C2
In a way that relates to space or to how things are arranged in space.
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oculist
C2
/ˈɑkjəlɪst/
dated: a specialist who diagnoses or treats eye disorders or tests vision
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hawser
C2
/hɔzɚ/
a thick, heavy-duty rope or cable used to tow or moor a ship
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gadfly
C2
/ˈɡædˌflaɪ/
A person who takes without giving back; a bloodsucker.
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alluvial
C2
/ˌæˈluːviːəl/
Pertaining to the soil deposited by a stream.
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chanticleer
C2
/ˌtʃæntɪˈklɪr/
literary: a rooster, especially one personified in a fable or story
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pre-raphaelite
C2
/ˌpriːˈræf.i.ə.laɪt/
a member or follower of the nineteenth-century Pre-Raphaelite movement in British art
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concomitant
C2
/kənˈkɑːmətənt/
Something happening or existing at the same time.
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preconception
C2
/ˌpɹikənˈsɛpʃən/
An opinion formed before you have enough facts, often based on bias.
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undifferentiated
C2
/ˌʌndɪfəˈrɛnʃieɪtɪd/
not divided, distinguished, or developed into different parts or types
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purulent
C2
/ˈpjʊəɹ(j)ʊlənt/
containing, consisting of, or characterized by pus, usually as a result of infection
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bowstring
C2
/ˈboʊˌstɹɪŋ/
the cord stretched between the ends of an archer's bow and drawn back to shoot an arrow
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carder
C2
/ˈkɑrdɚ/
a worker who cards wool or other fiber, disentangling and aligning it before spinning
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blackamoor
C2
/ˈblæk.əˌmɔɹ/
historical and offensive: an obsolete racial label for a Black person, especially one perceived as African or North African; also formerly used for a Black servant
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extensor
C2
/ɪkˈstɛnsɚ/
a muscle whose contraction straightens a limb or increases the angle at a joint
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homogenous
C2
/həˈmɑd͡ʒɪnəs/
Having the same genetic structure; exhibiting homogeny.
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pluralism
C2
/ˈplʊrəˌlɪzəm/
The quality or state of being plural, or in the plural number.
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arboreal
C2
/ɑɹˈbɔɹi.əl/
inhabiting or frequenting trees
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recuperative
C2
/rɪˈkuːpɝətɪv/
Helping someone recover their health or strength.
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correspondingly
C2
/ˌkɔ.ɹəˈspɑn.dɪŋ.li/
in a corresponding manner
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refutation
C2
/ˌɹef.jʊˈtæɪ.ʃən/
the speech act of answering an attack on your assertions
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exfiltrate
C2
/ˈɛksfɪltɹeɪt/
to covertly remove data from a computer system or network
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gloaming
C2
/ˈɡloʊ.mɪŋ/
twilight or dusk, especially the dim light just after sunset
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ecclesiastic
C2
/ɪˌkliːziˈæstɪk/
a member of the clergy, especially in a Christian church; formal
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