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.
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poker
C2+
/ˈpoʊkɚ/
One who pokes.
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mattress
C2+
/ˈmætɹɪs/
A form of lagging, in particular for boilers.
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spear
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/spɪɹ/
pierce with a spear
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half-hour
C2+
/ˈhæˌfaʊɝ/
The time of thirty minutes past any particular hour.
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deposition
C2+
/ˌdɛp.əˈzɪʃ.ən/
The removal of someone from office.
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cerebral
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/səˈɹi.bɹəl/
involving intelligence rather than emotions or instinct
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unseen
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/ʌnˈsiːn/
Not seen or discovered; invisible.
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frenzy
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/ˈfɹɛnzi/
A state of wild activity or panic.
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frantic
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/ˈfɹæn.tɪk/
Insane, mentally unstable.
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self-respect
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/ˌsɛlfrɪˈspɛkt/
The knowledge of one's own worth.
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unprofessional
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/ˌənprəˈfɛʃənəl/
not characteristic of or befitting a profession or one engaged in a profession
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serenity
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/səˈɹɛnɪti/
The state of being serene; calmness; peacefulness.
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man-made
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/ˈmænˌmeɪd/
not of natural origin
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muller
C2+
/ˈmʌləɹ/
A machine that mixes clay and sand under a roller for use in preparing a mould for metal casting.
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middle-class
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/ˈmɪdəlˈklæs/
belonging to the socioeconomic group between the working class and the upper class
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jackal
C2+
/ˈd͡ʒækəl/
an Old World nocturnal canine mammal closely related to the dog
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space-time
C2+
/ˈspeɪˌstaɪm/
the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
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self-defence
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/ˌsɛlfdɪˈfɛns/
the act of defending yourself
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malignant
C2+
/məˈlɪɡnənt/
Harmful, malevolent, injurious.
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susceptible
C2+
/səˈseptɪbl̩/
(often followed by `of' or `to') yielding readily to or capable of
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self-control
C2+
/ˌsɛlf kənˈtɹoʊl/
The ability to control one's desires and impulses.
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unprepared
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/ˌənpriːˈpɛrd/
Not prepared; caught by surprise.
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ta-ta
C2+
/təˈtɑ/
informal: goodbye
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craven
C2+
/ˈkɹeɪ.vən/
Unwilling to fight; lacking even the rudiments of courage; extremely cowardly.
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first-rate
C2+
/ˌfɝːˈstreɪt/
quite well, healthy, or ready-to-go
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litigation
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/ˌlɪtɪˈɡeɪ̯ʃən/
The conduct of a lawsuit.
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one-sided
C2+
/ˌwənˈsaɪdəd/
Partial or biased in favour of one faction or demographic group.
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idly
C2+
/ˈaɪd(ə)lɪ/
in an idle manner
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three-dimensional
C2+
/ˌθriːzdɪˈmɛnʃənəl/
Lifelike.
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crikey
C2+
/ˈkɹaɪ.ki/
informal, chiefly British and Australian: used to express surprise, amazement, alarm, or emphasis
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feasible
C2+
/ˈfi.zə.bəl/
Able to be done in practice.
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Anglo-Saxon
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/ˌæŋ.ɡloʊˈsæk.sən/
a member of the Germanic-speaking peoples who settled in England from the fifth century and whose kingdoms preceded Norman rule
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ethereal
C2+
/ɪˈθɪɚ.i.əl/
characterized by unusual lightness and delicacy
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minion
C2+
/ˈmɪnjən/
A loyal servant of another, usually a more powerful being.
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self-preservation
C2+
/ˌsɛlfˌpɹɛzɜˈɹ.veɪ.ʃən/
The instinctive behaviour that protects oneself from harm.
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inter
C2+
/ɪnˈtɚ/
To bury in a grave.
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broken-down
C2+
/ˌbroʊkənˈdaʊn/
no longer working because of mechanical failure
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parody
C2+
/ˈpæɹədi/
To make a parody of something.
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non-existent
C2+
/ˌnɑːnəgˈzɪstənt/
Alternative spelling of nonexistent.
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payable
C2+
/ˈpeɪəbl̩/
a liability account showing how much is owed for goods and services purchased on credit
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assertive
C2+
/əˈsɝtɪv/
aggressively self-assured
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self-interest
C2+
/ˌsɛlˈfɪntəˌrɛst/
One's personal interest or advantage, especially when pursued without regard for others.
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knee-deep
C2+
/ˌniːˈdiːp/
reaching as high as the knees, or submerged up to the knees
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full-grown
C2+
/ˈfʊlˌɡɹoʊn/
Fully developed in a broader sense; complete, at one’s height.
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one-legged
C2+
/ˈwʌnˌlɛɡəd/
having only one leg or only one functioning leg
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causeway
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/ˈkɔːz.weɪ/
to provide with a causeway
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tentative
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/ˈtɛntətɪv/
unsettled in mind or opinion
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effeminate
C2+
/ɪˈfɛmɪnət/
Of a boy or man, exhibiting behavior or mannerisms considered typical of a woman or unmasculine.
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short-sighted
C2+
/ˌʃɔrtˈsaɪtəd/
Near-sighted; myopic; unable to focus on distant objects.
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dissolution
C2+
/ˌdɪsəˈluʃən/
Disintegration, or decomposition into fragments.
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good-natured
C2+
/ɡʊdˈneɪtʃəd/
having an easygoing and cheerful disposition
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cower
C2+
/ˈkaʊɚ/
To crouch or cringe, or to avoid or shy away from something, in fear.
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prithee
C2+
/ˈprɪði/
archaic: please; used to introduce or strengthen a request or question
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vermilion
C2+
/vɚˈmɪl.jən/
A vivid red synthetic pigment made of mercury sulfide, cinnabar.
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unattainable
C2+
/ˌʌnəˈteɪnəbəl/
impossible to achieve
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north-east
C2+
/ˌnɔrˈθiːst/
to, toward, or in the northeast
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rationalize
C2+
/ˈɹæʃənəlaɪz/
remove irrational quantities from
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go-getter
C2+
/ˈɡoʊˌɡɛt.ɚ/
an energetic, enterprising, and ambitious person who acts decisively to achieve success
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womanly
C2+
/ˈwʊmənli/
befitting or characteristic of a woman especially a mature woman
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speer
C2+
/spɪɹ/
in Scots and northern English, to ask, inquire, or seek information
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cave-in
C2+
/ˈkeɪvˌɪn/
the sudden collapse of earth, rock, a roof, or another enclosing structure
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pursuant
C2+
/pɚˈsu.ənt/
That pursues.
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man-eater
C2+
/ˈmænˌiːtɚ/
an animal that has killed and eaten humans, especially a tiger, lion, crocodile, or shark
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self-contained
C2+
/ˈsɛlfkənˈteɪnd/
constituting a complete and independent unit in and of itself
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principled
C2+
/ˈpɹɪnsɪpəld/
based on or manifesting objectively defined standards of rightness or morality
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well-to-do
C2+
/ˌwɛltəˈdu/
Rich, prosperous, financially stable and comfortable.
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petulant
C2+
/ˈpɛt͡ʃʊlənt/
Childishly irritable.
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thither
C2+
/ˈðɪðɚ/
to or toward that place
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flippant
C2+
/ˈflɪpənt/
Showing disrespect through a casual attitude, levity, and a lack of due seriousness; pert.
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corrosion
C2+
/kəˈɹoʊʒən/
The gradual destruction or undermining of something.
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half-dozen
C2+
/ˈhæfˌdəzən/
denoting a quantity consisting of six items or units
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mannered
C2+
/ˈmænɝd/
having unnatural mannerisms
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palatial
C2+
/pəˈleɪʃəl/
suitable for or like a palace
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chock-full
C2+
/ˌtʃɑːkˈfʊl/
completely full or crowded, usually followed by of
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metaphysics
C2+
/ˌmɛtəˈfɪzɪks/
the branch of philosophy studying being and reality
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goo-goo
C2+
/ˈɡuːˌɡuː/
informal: lovingly sentimental or amorous, especially in the phrase goo-goo eyes
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banality
C2+
/bəˈnælɪti/
The quality of being banal.
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solder
C2+
/ˈsɑd.ɚ/
an alloy, usually of lead and tin, used when melted to join two metal surfaces
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storied
C2+
/ˈstɔːɹid/
having an illustrious past
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causal
C2+
/ˈkɔ.zəl/
Of, relating to, or being a cause of something; causing.
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unimpeachable
C2+
/ˌənɪmˈpiːtʃəbəl/
beyond doubt or reproach
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populist
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/ˈpɑ.pjə.lɪst/
A person who advocates populism (a movement against ruling elites who are presumed not to act in the interests of the ordinary citizen).
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tic-tac-toe
C2+
/ˌtɪk.tækˈtoʊ/
a game in which two players alternately mark a three-by-three grid and try to complete a row of three matching symbols
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irreverent
C2+
/ˌɪˈrɛvɝənt/
showing lack of due respect or veneration
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hotly
C2+
/ˈhɑːtli/
In a heated manner; intensely or vehemently.
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sectarian
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/sɛkˈtɛɹi.ən/
belonging to or characteristic of a sect
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aide-de-camp
C2+
/ˌeɪd.dəˈkæmp/
a military officer serving as a confidential assistant to a senior officer or head of state
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verboten
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/ˌfəɹˈboʊt(ə)n/
excluded from use or mention
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ashen
C2+
/ˈæʃ.ən/
anemic looking from illness or emotion
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saturate
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/ˈsatjʊɹeɪt/
To cause to become completely permeated with, or soaked (especially with a liquid).
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self-styled
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as claimed by and for yourself often without justification
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provident
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/ˈpɹɒvɪdənt/
providing carefully for the future
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exploitative
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/ɪkˈsplɔɪtətɪv/
In the nature of exploitation; acting to exploit someone or something
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proclivity
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/pɹoʊˈklɪvɪti/
a natural inclination
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unflappable
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/ʌnˈflæpəbəl/
Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily.
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mendicant
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/ˈmɛn.dɪ.kənt/
practicing beggary
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