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[ UK /sˈɜːtən/ ]
[ US /ˈsɝtən/ ]
ADJECTIVE
  1. established beyond doubt or question; definitely known
    his fate is certain
    what is certain is that every effect must have a cause
    it is certain that they were on the bus
    the date for the invasion is certain
    his fate is certain
  2. established irrevocably
    his fate is sealed
    his fate is sealed
  3. certain to occur; destined or inevitable
    sudden but sure regret
    he is sure to win
    he faced certain death
    In this life nothing is certain but death and taxes
    he was certain to fail
    his fate is certain
    his fate is certain
  4. definite but not specified or identified
    set aside a certain sum each week
    certain breeds do not make good pets
    a certain Mrs. Jones
    a certain popular teacher
    certain members have not paid their dues
    to a certain degree
  5. reliable in operation or effect
    wood dust is a sure sign of termites
    a sure way to distinguish the two
    a quick and certain remedy
  6. having or feeling no doubt or uncertainty; confident and assured
    felt certain of success
    sure of her friends
    was very sure in his beliefs
    was sure (or certain) she had seen it
  7. exercising or taking care great enough to bring assurance
    be sure to lock the doors
    be certain to disconnect the iron when you are through

How To Use certain In A Sentence

  • She has certainly branched out into more interesting work in recent years.
  • I think it's certainly quite a lot of the comedy that I've been involved in is quite extreme, if you like, and the extremity is part of what's funny about it.
  • When I ask if he spends money on anything really extravagant, he looks a bit uncertain. Times, Sunday Times
  • Yorkshire abused by such a pitiful prater; and when wrought up to a certain pitch, she would turn and say something of which neither the matter nor the manner recommended her to Mr. Donne's good - will. Shirley, by Charlotte Bronte
  • It also contains a series of waterfalls and cascades to further enhance the beauty of a hole that is certain to generate a lot of comment throughout the week.
  • I can say with certainty that a lot of arms shipments have arrived during this peace period.
  • Certain animations are still a bit hitchy, especially involving Mayer's car, but there's still time to resolve those before release. AdventureGamers.com
  • I'd say name it except for your second point, that named Wealden brachiosaurids are plentiful and once better material is described, some would near certainly be synonymized. ‘Angloposeidon’, the unreported story, part IV
  • Golub was an odd man out, one of those who kept alive certain ambitions scuttled by the artists who followed Abstract Expressionism.
  • And I am certain the Commission of Inquiry will exonerate you in due course. MAMBO
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