certain

[ sur-tn ]
/ ˈsɜr tn /

adjective

pronoun

certain ones: Certain of the members declined the invitation.

Idioms for certain

    for certain, without a doubt; surely: I know for certain that I have seen that face before.

Origin of certain

1250–1300; Middle English < Old French < Vulgar Latin *certānus, equivalent to Latin cert(us) sure, settled ( cer- base of cernere to decide, + -tus past participle suffix) + -ānus -an

SYNONYMS FOR certain

1 convinced, satisfied. See sure.
4 indubitable, incontestable, irrefutable, incontrovertible, obvious, plain, clear.
5 determined.

Example sentences from the Web for certain

British Dictionary definitions for certain

certain
/ (ˈsɜːtən) /

adjective

adverb

for certain definitely; without a doubt he will win for certain

determiner

  1. known but not specified or namedcertain people may doubt this
  2. (as pronoun; functioning as plural)certain of the members have not paid their subscriptions
named but not known he had written to a certain Mrs Smith

Word Origin for certain

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

Idioms and Phrases with certain

certain

see for certain.