Synonyms of certain in English:

certain

adjective

  • 1 I'm certain he's guilty
    sure, confident, positive, convinced, in no doubt, unshaken in one's belief, secure in one's belief, easy in one's mind, satisfied, assured, persuaded; (be certain)have no doubt, not question, hold the unwavering view
    [Antonyms] doubtful
  • 2 it is certain that more changes are in the offing
    [Antonyms] unthinkable, doubtful, possible
  • 3 they are certain to win
    sure, very likely, bound, destined, predestined, fated, trusted, assured of doing something
    British informal nailed on
    [Antonyms] unlikely
  • 4 Pakistan's lead of 380 runs meant certain success
    inevitable, assured, destined, predestined, fated; reliable, unavoidable, inescapable, automatic, bound to happen, sure to happen, unpreventable, inexorable, ineluctable, predictable, necessary, out of one's hands
    informal in the bag
  • 5 there is no certain cure for this
    reliable, dependable, trustworthy, sound, foolproof, tested, tried and tested, effective, efficacious, guaranteed, sure, unfailing, infallible, unerring
    informal sure-fire
    dated sovereign
    [Antonyms] unreliable
  • 6 a certain sum of money is required
    determined, definite, fixed, established, precise, defined, exact, explicit, express
    [Antonyms] undefined
  • 7 a certain lady that you know
    particular, specific, individual, special, especial
    [Antonyms] nameless, undifferentiated, general
  • 8 to a certain extent that is true
    moderate, modest, medium, middling, unexceptional; tolerable, passable, adequate, fair, decent, acceptable; limited, small
    [Antonyms] great
  • Phrases

    make certain

    make certain that storage and access areas are of adequate size for any power equipment usedmake sureensuresee to itconfirmcheckverifycorroborateestablish

    Choose the right word

    certain, sure, positive, convinced, definite
    See sure

    Definition of certain in:

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