51Թ

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View synonyms for

certain

[ sur-tn ]

adjective

  1. free from doubt or reservation; confident; sure:

    I am certain he will come.

    Synonyms:

  2. destined; sure to happen (usually followed by an infinitive):

    He is certain to be there.

  3. inevitable; bound to come:

    They realized then that war was certain.

  4. established as true or sure; unquestionable; indisputable:

    It is certain that he tried.

    Synonyms: , , , , , ,

  5. fixed; agreed upon; settled:

    on a certain day; for a certain amount.

    Synonyms:

  6. definite or particular, but not named or specified:

    A certain person phoned. He had a certain charm.

  7. that may be depended on; trustworthy; unfailing; reliable:

    His aim was certain.

  8. some though not much:

    a certain reluctance.

  9. Obsolete. steadfast.


pronoun

  1. certain ones:

    Certain of the members declined the invitation.

certain

/ ˈɜːə /

adjective

  1. postpositive positive and confident about the truth of something; convinced

    I am certain that he wrote a book

  2. usually postpositive definitely known

    it is certain that they were on the bus

  3. usually postpositive sure; bound; destined

    he was certain to fail

  4. decided or settled upon; fixed

    the date is already certain for the invasion

  5. unfailing; reliable

    his judgment is certain

  6. moderate or minimum

    to a certain extent

  7. make certain of
    to ensure (that one will get something); confirm
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. for certain
    definitely; without a doubt

    he will win for certain

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

determiner

    1. known but not specified or named

      certain people may doubt this

    2. ( as pronoun; functioning as plural )

      certain of the members have not paid their subscriptions

  1. named but not known

    he had written to a certain Mrs Smith

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of certain1

First recorded in 1250–1300; Middle English, from Old French, from Vulgar Latin Գܲ (unrecorded), from Latin cert(us) “sure, settled” (adjective use of past participle of cernere “to decide, separate, sift”) + -Գܲ -an
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51Թ History and Origins

Origin of certain1

C13: from Old French, from Latin certus sure, fixed, from cernere to discern, decide
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Idioms and Phrases

Idioms
  1. for certain, without a doubt; surely:

    I know for certain that I have seen that face before.

More idioms and phrases containing certain

see for certain .
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Example Sentences

Examples have not been reviewed.

The Athletic obtained emails through an open records request that document Belichick requesting that Hudson be copied on certain correspondence at North Carolina.

From

“I still have to clean some things up. Have to be better in certain situations. It’s a work in progress. But … it’s just getting the ball to go forward.”

From

The resolution would repeal the Fish and Wildlife Service’s 2024 decision under provisions of the 1996 Congressional Review Act, which enables Congress to review and disapprove rules adopted by agencies under certain circumstances.

From

The human brain responds best to threats when they are clear, and certain.

From

What I found is that at a certain level, actors are just able to have chemistry with each other.

From

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When To Use

What are other ways to say certain?

Someone who is certain of something is free from doubt or reservation about it. How is certain different from sure, confident, and positive? Find out on .

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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