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
speculate
C1
/ˈspɛk.jəˌleɪt/
To form a guess or opinion about something without having all the facts.
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youngster
C1
/ˈjʌŋstɚ/
A young person, especially a child or teenager.
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listing
C1
/ˈlɪstɪŋ/
An entry in a list, catalogue, or directory.
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proceeds
C1
/ˈpɹoʊsidz/
The money received from an event, sale, or activity.
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talisman
C1
/ˈtælɪzmən/
an object believed to provide magical protection, good luck, health, or power
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bribery
C1
/ˈbɹaɪbəɹi/
The crime of giving or taking money or gifts to influence someone dishonestly.
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geological
C1
/ˌd͡ʒi.əˈlɑdʒ.ɪk.əl/
relating to the rocks, soil, and physical structure of the Earth and how they have formed
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accelerate
C1
/ɪkˈsɛl.əˌɹeɪt/
To move faster or to make something move faster.
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wary
C1
/ˈwɛɚ.i/
careful and cautious because you sense possible danger or trouble
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stamina
C1
/ˈstæmənə/
The physical or mental energy to keep doing something tiring over a long time.
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indigenous
C1
/ɪnˈdɪd͡ʒənəs/
Belonging to a place from the earliest times, especially before colonizers arrived.
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vibrant
C1
/ˈvaɪbɹənt/
Bright and strong in colour.
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pavilion
C1
/pəˈvɪl.jən/
a light, often open-sided roofed structure used for shelter or recreation in a park, garden, or public place
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court-martial
C1
/ˈkɔrtˌmɑr.ʃəl/
a military court, or a trial held by such a court, for members of the armed forces accused of breaking military law
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accomplishment
C1
/əˈkɑm.plɪʃ.mənt/
Something impressive that you have achieved through effort.
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cedar
C1
/ˈsiːdɚ/
a tall evergreen conifer, especially a true cedar of the genus Cedrus or one of several similar trees
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exploitation
C1
/ˌɛksplɔɪˈteɪʃn̩/
The unfair treatment of people in order to benefit from their work or situation.
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vegetation
C1
/ˌvɛd͡ʒəˈteɪʃən/
plants in general, especially the plants that grow in a particular area
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dismissal
C1
/dɪˈsmɪsəl/
The act of removing someone from their job.
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spartan
C1
/ˈspɑː(ɹ)tən/
Very simple and plain, with no comfort or luxury.
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ranking
C1
/ˈɹæŋ.kɪŋ/
A person's or thing's position in an ordered list, showing relative quality or success.
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namely
C1
/ˈneɪmli/
Used to give more exact detail about what you have just mentioned; that is to say.
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inability
C1
/ˌɪnəˈbɪlɪti/
The fact of not being able to do something.
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flattery
C1
/ˈflæt.ɚ.i/
Excessive or insincere praise, often used to win favour.
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thereby
C1
/ðɛɹˈbaɪ/
As a result of that; by that means.
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congressional
C1
/kəŋˈɡɹɛ.ʃə.nəl/
Relating to a congress, especially the United States Congress.
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adolescent
C1
/ˌæd.əˈlɛs.ənt/
A young person who is no longer a child but not yet an adult; a teenager.
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itinerary
C1
/aɪˈtɪnəˌɹɛɹi/
A detailed plan or schedule of a journey, listing the places and times.
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saber
C1
/ˈseɪ.bɚ/
a cavalry sword with a curved, single-edged blade
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gladiator
C1
/ˈɡlæd.i.eɪ.t̬ɚ/
in ancient Rome, a trained fighter who took part in public arena combats against other people or animals
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cannibal
C1
/ˈkænɪbəl/
a person who eats human flesh
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oversee
C1
/ˌoʊ.vɚˈsi/
To watch over and direct a person, group, or piece of work to make sure it is done properly.
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fanatic
C1
/fəˈnæt.ɪk/
A person with extreme, often unreasonable enthusiasm for a cause or belief.
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acoustic
C1
/əˈkuː.stɪk/
(of a musical instrument) producing sound naturally, without electrical amplification.
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enormously
C1
/ɪˈnɔrməsli/
To a very great degree; extremely.
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councillor
C1
A member of a local council, especially one elected to a city or town authority.
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ludicrous
C1
/ˈluː.dɪ.kɹəs/
So foolish, unreasonable, or absurd that it is almost laughable.
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deployment
C1
/dɪˈplɔɪmənt/
The movement of military forces into position, especially before action.
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predecessor
C1
/ˈpɹiːdɪsɛsɚ/
A person who held a job or position before someone else.
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underlying
C1
/ˌəndɝˈlaɪɪŋ/
Real but not immediately obvious; forming the hidden basis of something.
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documentation
C1
/ˌdɑkjəmɛnˈteɪʃən/
Written records or papers that prove or support something.
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provocative
C1
/pɹəˈvɑ.kə.tɪv/
Deliberately causing a strong reaction, such as anger, argument, or interest.
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complimentary
C1
/ˌkɑmplɪˈmɛnt(ə)ɹi/
Given free of charge.
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hereditary
C1
/həˈɹɛdɪˌtɛɹi/
Of a title, honor or right: legally granted to somebody's descendant after that person's death.
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friar
C1
/ˈfraɪɚ/
a male member of a Christian mendicant order, such as the Franciscans or Dominicans
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neutralize
C1
/ˈnutɹəˌlaɪz/
To stop something from having an effect by balancing it out.
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intensely
C1
/ɪnˈtɛnsli/
in an intense manner
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endorsement
C1
/ɛnˈdɔrsmənt/
Public approval or support for a person, product, or idea.
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complexity
C1
/kəmˈplɛk.sɪ.ti/
The state of having many connected parts and being hard to understand.
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insider
C1
/ɪnˈsaɪdɚ/
A person who has special knowledge about how a group, company, or organization works from within.
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immensely
C1
/ɪˈmɛnsli/
Extremely; to a very great degree.
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propulsion
C1
/prəˈpʌl.ʃən/
the action or process of driving something forward
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mandate
C1
/ˈmændeɪ̯t/
The authority to act, given to a government or leader by the people who voted for them.
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infinitely
C1
/ˈɪnfɪnɪtli/
continuing forever without end
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adversary
C1
/ˈæd.vəɹˌsɛɹi/
An enemy, opponent, or rival.
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profoundly
C1
/pɹəˈfaʊndli/
Deeply; to a very great extent.
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nasal
C1
/ˈnæɪ.zəl/
sounding as if the nose were pinched
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coordinator
C1
/koʊˈɔrdəˌneɪtɝ/
A person whose job is to organize people or activities so they work well together.
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startling
C1
/ˈstɑɹ.tl̩.ɪŋ/
So surprising or sudden that it shocks or alarms you.
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historically
C1
/hɪˈstɔɹɪkli/
with respect to history
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demented
C1
/dɪˈmɛntɪd/
wildly irrational, disturbed, or out of control
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hierarchy
C1
/ˈhaɪ.ə.ɹɑː(ɹ).ki/
A system in which people or things are ranked one above another by status or importance.
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ingenuity
C1
/ˌɪnd͡ʒəˈn(j)uːəti/
The ability to solve problems in clever, original, and inventive ways.
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ghostly
C1
/ˈɡoʊstli/
Looking pale and faint, like a ghost; eerie.
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bubbly
C1
/ˈbʌbli/
Cheerful, lively, and full of energy.
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starling
C1
/ˈstɑɹlɪŋ/
a gregarious songbird, often dark and glossy, belonging to the family Sturnidae
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consecutive
C1
/kənˈsɛkjətɪv/
Following one after another without a break.
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recipient
C1
/ɹəˈsɪp.i.ənt/
A person who receives something.
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complication
C1
/ˌkɑm.pləˈkeɪ.ʃən/
A problem or difficulty that makes a situation harder to deal with.
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cranberry
C1
/ˈkɹæn.bɛr.i/
a small, tart red berry used in sauces, drinks, and baked foods
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mutually
C1
/ˈmjut͡ʃuəli/
In a way that is shared by or affects two or more people equally
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integrated
C1
/ˈɪn.tɪ.ɡɹeɪtəd/
Combined with other parts to form a single, well-working whole.
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optical
C1
/ˈɑptɪkəl/
Relating to sight or the eyes.
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faction
C1
/ˈfæk.ʃən/
A small group within a larger organization whose opinions differ from the rest.
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aesthetic
C1
/ɛsˈθɛ.tɪk/
Relating to beauty or the appreciation of beautiful things.
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directory
C1
/dɝˈɛktɝi/
A book or list of names, addresses, and other details, usually in alphabetical order.
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aspen
C1
/ˈæs.pən/
a poplar tree whose leaves tremble readily because they grow on flattened stalks
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pulmonary
C1
/ˈpʊlməneri/
relating to, affecting, or occurring in the lungs
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contemplate
C1
/ˈkɑn.təmˌpleɪt/
To think carefully about doing something as a possibility.
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conservatory
C1
/kənˈsɝ.vəˌt(ɔ.)ɹi/
A room with glass walls and roof attached to a house, used for plants or relaxing.
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ordinarily
C1
/ɔɹdɪˈnɛɹɪli/
Usually; as a general rule under normal conditions.
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perceptive
C1
/pɚˈsɛptɪv/
Quick to notice and understand things, especially subtle ones.
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adjacent
C1
/əˈd͡ʒeɪ.sənt/
Next to or very close to something.
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papal
C1
/ˈpeɪpəl/
relating to the pope, the papacy, or the pope's authority
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degrading
C1
/dɪˈgreɪdɪŋ/
Treating someone without respect and making them feel worthless or ashamed.
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corral
C1
/kəˈɹæl/
to collect or gather
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likelihood
C1
/ˈlaɪklihʊd/
The chance or probability that something will happen.
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scrutiny
C1
/ˈskɹuː.tɪ.ni/
Careful and detailed examination of something.
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temperament
C1
/ˈtɛm.pɚ.ə.mənt/
A person's natural character, which shapes how they usually think, feel, and behave.
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suitor
C1
/ˈsutɚ/
A man who wants to marry or have a romantic relationship with a particular woman.
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tangible
C1
/ˈtæn.d͡ʒə.bəl/
capable of being treated as fact
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monumental
C1
/ˌmɑnjəˈmɛntəl/
extremely important or influential, especially in its lasting effects
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architectural
C1
/ˌɑɹkɪˈtɛkt͡ʃəɹəl/
Relating to the design and construction of buildings.
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reproduction
C1
/ˌɹiːpɹəˈdʌkʃən/
The biological process by which living things produce offspring.
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gothic
C1
/ˈɡɑθɪk/
of a European architectural style marked by pointed arches, ribbed vaults, and high, elaborate structures
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justification
C1
/ˌdʒʌstəfəˈkeɪʃən/
A good reason or explanation that makes an action or belief seem acceptable.
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