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
diffidence
C2
/ˈdɪfɪdəns/
The state of being diffident, timid or shy; reticence or self-effacement.
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inanity
C2
/ɪˈnænɪti/
Something that is inane.
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injudicious
C2
/ˌɪnd͡ʒʊˈdɪʃəs/
Showing poor judgement; not well judged.
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grazier
C2
/ˈɡreɪziər/
a farmer or landholder who raises grazing livestock, especially cattle or sheep
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inseparably
C2
/ˌɪnˈsɛpɝəbli/
without possibility of separation
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accoutrement
C2
/əˈkuː.tɚ.mənt/
an item of equipment, clothing, or decoration used for a particular activity or role, most often in the plural
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vacillate
C2
/ˈvæ.sə.leɪt/
to move or sway in a rising and falling or wavelike pattern
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polemical
C2
/pəˈlɛmɪkəl/
expressing strong criticism or argument about a controversial subject
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currier
C2
/ˈkʌɹɪɚ/
a craftsperson who dresses and finishes tanned leather by scraping, softening, coloring, and treating it
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rufous
C2
/ˈruːfəs/
reddish-brown or rust-colored, especially in descriptions of animal fur or plumage
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solipsistic
C2
Of, relating to, or being disposed to solipsism.
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unquenched
C2
/ʌnˈkwɛntʃt/
not extinguished, cooled, or slaked
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coauthor
C2
/ˌkoʊˈɔːθɚ/
a person who writes a book, article, or other work jointly with another author
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gibbous
C2
/ˈɡɪbəs/
having more than half but less than all of the visible disk illuminated, especially of the moon
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determinist
C2
/dɪˈtɝmənɪst/
a person who holds that events, including human actions, are determined by prior causes or conditions
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incorporeal
C2
/ɪnkɔː(ɹ)ˈpɔːɹiəl/
Having no material form or physical substance.
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adroitly
C2
/əˈdɹɔɪtli/
skillfully and cleverly, especially in handling a difficult situation
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trumpery
C2
/ˈtɹʌmpəɹi/
showy but worthless objects, ornaments, or finery
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knower
C2
/ˈnoʊɚ/
a person who knows something, especially the conscious subject in a theory of knowledge
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porphyry
C2
/ˈpɔɹ.fɪ.ɹi/
an igneous rock containing conspicuous large crystals within a much finer-grained groundmass
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flagellate
C2
/ˈflæ.d͡ʒəˌleɪt/
to whip or scourge, especially as punishment or religious mortification
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bifurcate
C2
/ˈbaɪfɚˌkeɪt/
to divide into two branches
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housebreaker
C2
/ˈhaʊsˌbreɪ.kɚ/
a person who illegally enters a house, usually by force, in order to steal or commit another crime
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protean
C2
/ˈpɹoʊ.tɪ.ən/
Exceedingly variable; readily assuming different shapes or forms.
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aeolian
C2
/iˈoʊ.li.ən/
relating to, produced by, or resembling the action or sound of the wind
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albumen
C2
/ˈælbjʊmən/
the white part of an egg
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ontology
C2
/ɑnˈtɑlədʒi/
the branch of metaphysics concerned with being, existence, and the fundamental kinds of things that exist
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sojourner
C2
/ˈsoʊd͡ʒɚnɚ/
a person who stays temporarily in a place rather than settling there permanently
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nostalgically
C2
In a way that shows a fond, slightly sad longing for the past.
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compellingly
C2
/kəmˈpɛlɪŋli/
In a way that holds your attention or convinces you strongly
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adequacy
C2
/ˈædɪkwəsi/
The quality of being sufficient, adequate or able to meet the needs.
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misdeal
C2
/ˌmɪsˈdiːl/
to distribute playing cards incorrectly
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descant
C2
/ˈdɛskænt/
A lengthy discourse on a subject.
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perihelion
C2
/ˌpɛɹ.əˈhiː.li.ən/
The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun.
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polytheism
C2
/ˈpɑːliˌθiːɪzəm/
belief in or worship of more than one god
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preeminence
C2
/pɹiˈɛmənəns/
the state of being more important, powerful, skilled, or respected than others
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voracity
C2
/vəˈɹæ.sə.ti/
Extreme eagerness to eat; greedy hunger.
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indelicacy
C2
/ɪnˈdɛlɪkəsi/
lack of tact, propriety, or sensitivity in speech or behavior
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remonstrate
C2
/ˈɹɛ.mən.stɹeɪt/
To protest or argue against something, expressing strong disapproval.
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qualitatively
C2
/ˌkwɑːləˈteɪtɪvli/
in a manner relating to the value of something rather than the amount
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sixpenny
C2
/ˈsɪks.pə.ni/
historical British: costing or worth sixpence; by extension, cheap or slight
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disaffection
C2
/ˌdɪsəˈfɛkʃən/
a loss of affection or loyalty toward a person, group, or way of life; alienation
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snuffer
C2
/ˈsnʌfɚ/
a small cone or bell on a handle used to extinguish a candle flame
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valvular
C2
/ˈvælvjʊlə(ɹ)/
relating to or operating by means of valves
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pedagogic
C2
/ˌpɛdəˈɡɑd͡ʒɪk/
of or relating to pedagogy
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bounden
C2
/ˈbaʊndən/
archaic except in bounden duty: morally obligatory or binding
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bastardization
C2
declaring or rendering bastard
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inextinguishable
C2
/ˌɪnɪkˈstɪŋɡwɪʃəbəl/
impossible or extremely difficult to extinguish
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paleozoic
C2
/ˈpeɪl.iəˌzəʊɪk/
of or relating to or denoting the Paleozoic era
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distiller
C2
/dɪˈstɪlər/
a person who makes distilled spirits or purifies liquids by distillation
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mirthless
C2
/ˈmɝθləs/
showing no genuine happiness or amusement; joyless
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extirpate
C2
/ˈɛkstɚpeɪt/
To cause a population to go extinct in a particular region, but not across the entire range of the species or subspecies.
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analytically
C2
/ˌæn.əˈlɪt.ɪ.kli/
by virtue of analysis
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bandolier
C2
/ˌbæn.dəˈlɪr/
a belt worn over one shoulder with loops or pockets for carrying cartridges
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elongation
C2
/ˌiːlɔŋˈgeɪʃən/
The angular distance of a planet from the sun.
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mummery
C2
/ˈmʌməɹi/
a ridiculous, showy, or insincere ceremony or performance
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alliterative
C2
/əˈlɪt.ə.rə.tɪv/
using or characterized by the repetition of the same initial sound in nearby words or stressed syllables
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ironmongery
C2
/ˈaɪrnˌmʌŋ.ɡɚ.i/
tools, metal fittings, and other hardware sold for use in homes, gardens, or buildings
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agriculturist
C2
/ˌæɡrɪˈkʌltʃərɪst/
a specialist trained in the science, practice, or management of agriculture
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theosophy
C2
/θiˈɑs.ə.fi/
religious or mystical philosophy claiming direct spiritual insight into the nature of God, the soul, or the divine world
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impracticable
C2
/ˌɪmˈpræktɪkəbəl/
not capable of being carried out or put into practice
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sublimity
C2
/səˈblɪməti/
the quality of inspiring awe through exceptional beauty, grandeur, or nobility
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cowled
C2
/kaʊld/
wearing a cowl or hood, especially as part of a monk's clothing
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pieman
C2
/ˈpaɪˌmæn/
a man who makes or sells pies, especially a street vendor
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annotation
C2
/ˌænəˈteɪʃən/
A critical or explanatory commentary or analysis.
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trepanning
C2
/trɪˈpæn.ɪŋ/
the surgical act or process of boring or cutting an opening in the skull or another hard structure
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soever
C2
/soʊˈɛvɚ/
In any fashion, of any kind; used for emphasis after words such as how, what, which etc.
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evolutionist
C2
/ˌɛvəˈluʃənɪst/
a person who accepts, studies, or advocates the theory of biological evolution
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supernumerary
C2
/ˌsupɚˈn(j)uməˌɹɛɹi/
A person who works in a group, association, or public office without forming part of the regular staff (the numerary).
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confabulation
C2
/kənˌfæbjəˈleɪʃən/
A false memory that someone genuinely believes is true, often caused by brain illness.
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maladjustment
C2
/ˌmæl.əˈdʒʌst.mənt/
a failure or inability to adapt successfully to one's social environment or the ordinary demands of life, often resulting in emotional or behavioral difficulties
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incongruity
C2
/ɪnkɑŋˈɡɹuɪti/
The state of two or more things not fitting together or not matching, in a way that seems strange.
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brushy
C2
/ˈbrʌʃi/
covered with or consisting of dense bushes, scrub, or undergrowth
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prescriptive
C2
/pɹəˈskɹəptəv/
Giving firm rules or instructions about how something should be done.
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airily
C2
/ˈeɹ.ə.li/
lightly
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accumulative
C2
/əˈkjuːmjəˌleɪtɪv/
increasing through successive additions; cumulative
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tenpence
C2
/ˈtɛnpəns/
the sum or value of ten pence, especially in historical British currency
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encumber
C2
/ɪnˈkʌmbə(ɹ)/
To weigh someone down or make movement difficult with a heavy load.
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embryology
C2
/ˌɛmbriːˈɑːlədʒi/
the branch of biology that studies the formation and early development of living organisms
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individuation
C2
/ˌɪndəˌvɪdʒuˈeɪʃən/
the process or principle by which an individual is distinguished from other individuals or from a universal kind
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bootmaker
C2
/ˈbuːtˌmeɪ.kɚ/
a craftsperson or manufacturer who makes boots
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lasciviousness
C2
/ləˈsɪvi.əsnəs/
feeling morbid sexual desire or a propensity to lewdness
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desiccate
C2
/ˈdɛsɪkeɪt/
To preserve by drying.
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littoral
C2
/ˈlɪtərəl/
relating to the shore of a sea or lake, especially the zone between or near water-level limits
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interpolate
C2
/ɪnˈtɝ.pəˌleɪt/
to insert words or other material into a text, especially material added later or regarded as spurious
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monarchical
C2
/məˈnɑːkɪk(ə)l/
having the characteristics of or befitting or worthy of a monarch
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nutritive
C2
/ˈnuːtrətɪv/
relating to nutrition or the nourishment of an organism
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dubiously
C2
/ˈdub.i.əs.li/
In a doubtful or uncertain way, as if unsure something is good or true.
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measurer
C2
/ˈmɛʒ.ɚ.ɚ/
a person who measures something or determines its dimensions, amount, or degree
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papuan
C2
/ˈpæpjuən/
a native or inhabitant of Papua; more broadly, especially historically, an Indigenous person of New Guinea or adjacent parts of Melanesia
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anaesthetize
C2
/əˈnɛsθətaɪz/
to administer an anaesthetic to a person or animal, making them insensitive to pain or unconscious
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expostulate
C2
/ɪkˈspɑːstʃəleɪt/
to reason or protest earnestly with someone in an effort to dissuade or correct them, usually followed by with
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mulish
C2
/ˈmjuː.lɪʃ/
stubbornly refusing to change one's opinion or course of action
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unequally
C2
/ʌnˈiːkwəli/
Not equally, unevenly, sometimes unfairly.
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importunity
C2
/ˌɪmpɔrˈtuːnəti/
persistent and pressing requests or demands, especially when they are troublesome
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steersman
C2
/ˈstiɹz.mən/
One who steers a ship or other vessel; the helmsman.
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