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
preoccupation
C2
/ˌpɹiɑkjʊˈpeɪʃən/
The state of being so absorbed in a thought that you notice little else.
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fertilization
C2
/ˌfɝːtəlɪˈzeɪʃən/
the union of male and female gametes to begin the development of a new organism
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zoology
C2
/zoʊˈɑləd͡ʒi/
The branch of biology that studies animals.
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acrobatics
C2
/ˌækrəˈbætɪks/
Difficult and impressive physical movements such as jumps, flips, and balances.
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buoyancy
C2
/ˈbɔɪənsi/
irrepressible liveliness and good spirit
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intrinsic
C2
/ɪnˈtɹɪn.zɪk/
Belonging naturally to something as part of its basic nature.
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geneticist
C2
/dʒəˈnɛtɪsɪst/
a scientist who specializes in genes, heredity, and genetic variation
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attuned
C2
/əˈtuːnd/
Aware of and able to respond well to something, such as people's feelings or a situation.
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asymmetrical
C2
/ˌeɪsɪˈmɛtɹɪk(ə)l/
irregular in shape or outline
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listless
C2
/ˈlɪstlɪs/
lacking zest or vivacity
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ferment
C2
/fɚˈmɛnt/
a state of agitation or turbulent change or development
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clarion
C2
/ˈklæ.ɹi.ən/
brilliantly clear, loud, and commanding, especially of a voice, sound, or appeal
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melee
C2
/ˈmeɪˌleɪ/
to attack with the hands or handheld not projectile weapon, typically in video games
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incontinence
C2
/ɪnˈkɑːn.tən.əns/
inability to control the bladder or bowels, resulting in involuntary urination or defecation
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grater
C2
/ˈɡɹeɪtɚ/
a kitchen tool with a rough or perforated cutting surface used to shred food into small pieces
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miscreant
C2
/ˈmɪskriːənt/
Lacking in conscience or moral principles; unscrupulous.
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wistful
C2
/ˈwɪstfəl/
Sad and thoughtful, especially when remembering something or longing for it.
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trepidation
C2
/ˌtrɛpɪˈdeɪʃən/
Anxiety over the uncertain future or possible ill-occurrence.
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drudgery
C2
/ˈdrʌdʒɝi/
Hard, boring, and tiring work that requires little skill.
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unassuming
C2
/ʌnəˈsjuːmɪŋ/
not arrogant or presuming
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wallflower
C2
/ˈwɔlˌflaʊ.ɚ/
Any of several short-lived herbs or shrubs of the Erysimum genus with bright yellow to red flowers.
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triplicate
C2
/ˈtɹɪp.lɪ.kət/
to reproduce threefold
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dismember
C2
/ˌdɪsˈmɛmbə(ɹ)/
separate the limbs from the body
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fervently
C2
/ˈfɝvəntli/
with passionate fervor
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abhorrent
C2
/æbˈhɔɹ.ənt/
Causing strong feelings of disgust and hatred; utterly unacceptable.
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proximal
C2
/ˈprɑːksəməl/
Located nearest to the point of attachment, origin, or the body's centre.
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philanthropic
C2
/ˌfɪl.ənˈθɹɑ.pɪk/
Generous in giving money and help to good causes.
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ringmaster
C2
/ˈrɪŋˌmæstər/
the person who directs and announces the acts in a circus ring
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maliciously
C2
/məˈlɪʃɪsli/
In a way that is intended to harm or hurt others.
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warbler
C2
/ˈwɔːrblɚ/
any of numerous small, active songbirds, especially members of the Old World family Sylviidae or the New World family Parulidae
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torrential
C2
/tɔˈɹɛn.t͡ʃəl/
Of rain, falling very heavily.
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omniscient
C2
/ɑmˈnɪʃənt/
Having total knowledge.
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indivisible
C2
/ˌɪndɪˈvɪzɪbəl/
impossible of undergoing division
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elasticity
C2
/ɪ.læsˈtɪs.ɪ.ti/
The ability of a material to return to its original shape after being stretched or squeezed.
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draconian
C2
/dɹəˈkoʊ.ni.ən/
of or relating to Draco or his harsh code of laws
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revulsion
C2
/ɹɪˈvʌlʃən/
A strong feeling of disgust or loathing.
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bestiality
C2
/ˌbɛs.tiˈæl.ə.ti/
sexual activity between a human and an animal
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indomitable
C2
/ɪnˈdɑmɪtəbl̩/
Incapable of being subdued, overcome, or vanquished.
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dumbfounded
C2
/ˌdʌmˈfaʊndɪd/
so astonished or bewildered that one is temporarily unable to speak or react
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slaver
C2
/ˈslævər/
to let saliva run from the mouth; to drool or slobber
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counterproductive
C2
/ˌkaʊntəpɹəˈdʌktɪv/
Having the opposite effect to the one you intended; doing more harm than good.
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painstakingly
C2
/ˈpeɪnˌsteɪkɪŋli/
With great care and effort; very slowly and carefully.
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nitric
C2
/ˈnaɪ.trɪk/
relating to nitrogen, especially nitrogen in a relatively high oxidation state
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offal
C2
/ˈɔːfəl/
the edible internal organs and other trimmings of a butchered animal
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fallacy
C2
/ˈfɛl.ə.si/
A mistaken belief based on faulty reasoning.
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dervish
C2
/ˈdɝvɪʃ/
a member of a Sufi Muslim religious order, traditionally committed to poverty and devotional discipline
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necromancer
C2
/ˈnɛkrəˌmænsɚ/
a person believed to communicate with the dead for divination or to summon or control the dead by magic
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surrealist
C2
Relating to surrealism, or having a strange, dreamlike quality.
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resplendent
C2
/ɹɪˈsplɛn.dənt/
Shining brilliantly; gleaming; radiant.
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instigator
C2
/ˈɪnstəˌɡeɪtɚ/
someone who deliberately foments trouble
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heretical
C2
/həˈɹɛtɪkəl/
Of or pertaining to heresy or heretics.
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trespasser
C2
/ˈtres.pæs.ɚ/
a person who enters or remains on another person's land or property without permission or legal right
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embryonic
C2
/ˌɛmbriːˈɑːnɪk/
in an early stage of development
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culpability
C2
/ˌkʌlpəˈbɪləti/
responsibility for a fault or wrongdoing; the state of deserving blame
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nearsighted
C2
/ˈnɪɹˌsaɪtɪd/
able to see nearby objects clearly but unable to see distant objects clearly
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furtive
C2
/ˈfɝtɪv/
Of a person or an animal: sly, stealthy.
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sanctify
C2
/ˈsæŋktəfaɪ/
to make holy or formally set apart for sacred use
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implacable
C2
/ɪmˈplækəbəl/
incapable of being placated
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consummation
C2
/ˌkɑːnsəˈmeɪʃən/
the completion, fulfillment, or culminating result of a process or aim
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subcutaneous
C2
/ˌsʌbkjʊˈteɪniəs/
situated, occurring, or administered beneath the skin
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vindication
C2
/vɪndɪˈkeɪʃən/
Proof that someone was right or free from blame.
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ghoulish
C2
/ˈɡuː.lɪʃ/
morbidly interested in death or suggesting the horror associated with ghouls
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impassioned
C2
/ɪmˈpæʃənd/
filled with or expressing intense emotion and strong conviction
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angler
C2
/ˈæŋ.ɡlɚ/
a person who catches fish with a rod, hook, and line, especially for recreation
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vehemently
C2
/ˈviː.ə.məntli/
in a vehement manner
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convalescent
C2
/ˌkɒnvəˈlɛsənt/
returning to health after illness or debility
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endearment
C2
/ɪnˈdɪrmənt/
a word, name, gesture, or action that expresses affection
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emphatic
C2
/ɛmˈfætɪk/
forceful and definite in expression or action
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conscription
C2
/kənˈskrɪpʃən/
compulsory enlistment of people into military service
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filament
C2
/ˈfɪl.ə.mənt/
a very thin thread or fiber of natural or manufactured material
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acrobatic
C2
/ˌækɹəˈbætɪk/
Involving skilful, agile movements like those of an acrobat.
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viscous
C2
/ˈvɪs.kəs/
Of or pertaining to viscosity.
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lacquer
C2
/ˈlæk.ɚ/
a liquid or resinous coating that dries to form a hard, smooth, glossy surface on wood, metal, or another material
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stringent
C2
/ˈstɹɪn.d͡ʒənt/
Strict, severe, and demanding close attention to rules or standards.
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burgeoning
C2
/ˈbɝ.d͡ʒə.nɪŋ/
Growing or developing quickly.
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courtier
C2
/ˈkɔːr.ti.ɚ/
a person who attends or serves a monarch at a royal court
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thermodynamics
C2
/ˌθɜː(ɹ)moʊdaɪˈnæmɪks/
The science of the conversions between heat and other forms of energy.
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irrevocably
C2
/ɪˈɹɛ.və.kə.bli/
In a way that cannot be changed, reversed, or undone.
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Berber
C2
/ˈbɝ.bɚ/
a member of one of the Indigenous peoples of North Africa; many people prefer the self-designation Amazigh, plural Imazighen
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foray
C2
/ˈfɔɹ.eɪ/
an initial attempt (especially outside your usual areas of competence)
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dissension
C2
/dɪˈsɛnʃən/
Strong disagreement that causes division within a group.
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duplicitous
C2
/duːˈplɪsətəs/
Given to or marked by deliberate deceptiveness in behavior or speech.
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shrubbery
C2
/ˈʃɹʌbəɹi/
A planting of shrubs; a wide border to a garden where shrubs are thickly planted; or a similar larger area with a path winding through it.
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measurable
C2
/ˈmeʒəɹəbəl/
of distinguished importance
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minster
C2
/ˈmɪnstɚ/
A large or important church, especially a cathedral.
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granary
C2
/ˈɡɹænəɹi/
a storehouse for threshed grain or animal feed
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vestal
C2
/ˈvɛstəl/
a Vestal Virgin, one of the priestesses who tended the sacred fire of Vesta in ancient Rome
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attrition
C2
/əˈtɹɪʃən/
A gradual reduction in number, especially of staff who leave and are not replaced.
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buccaneer
C2
/ˌbʌkəˈnɪɚ/
A pirate, especially one who attacked Spanish ships in the Caribbean in the 1600s.
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dippy
C2
/ˈdɪp.i/
informal: foolish, eccentric, or lacking common sense
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forcible
C2
/ˈfɔrsəbəl/
impelled by physical force especially against resistance
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tomfoolery
C2
/ˌtɑːmˈfuː.lɚ.i/
playful, foolish, or nonsensical behavior or talk
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stipulation
C2
/ˌstɪp.jəˈleɪ.ʃən/
A condition that must be met as part of an agreement.
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scholastic
C2
/skəˈlæstɪk/
of or relating to schools
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subsidize
C2
/ˈsʌbsɪˌdaɪz/
To help pay for something by giving money, usually so its cost stays low.
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jarring
C2
[d͡ʒɑːrɪŋ]
Unpleasantly shocking or out of place; clashing.
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