Adjective certain has 7 senses
- certain - definite but not specified or identified; "set aside a certain sum each week"; "to a certain degree"; "certain breeds do not make good pets"; "certain members have not paid their dues"; "a certain popular teacher"; "a certain Mrs. Jones"
Antonym: indefinite (indirect, via definite)
- certain, sure - having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends"
Antonyms: uncertain, unsure, incertain, ambivalent, doubtful, dubious, groping, hesitant
- certain - established beyond doubt or question; definitely known; "what is certain is that every effect must have a cause"; "it is certain that they were on the bus"; "his fate is certain"; "the date for the invasion is certain"
Antonyms: uncertain, indefinite, up in the air
- certain, sure - certain to occur; destined or inevitable; "he was certain to fail"; "his fate is certain"; "In this life nothing is certain but death and taxes"- Benjamin Franklin; "he faced certain death"; "sudden but sure regret"; "he is sure to win"
Antonyms: uncertain, chancy, fluky, flukey, iffy, contingent, up in the air
- sealed, certain - established irrevocably; "his fate is sealed"
- certain, sure - capable of being depended on; "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites"
Antonyms: unreliable, undependable (indirect, via reliable, dependable)
Antonyms: unreliable, undependable (indirect, via reliable, dependable)
- certain, sure - exercising or taking care great enough to bring assurance; "be certain to disconnect the iron when you are through"; "be sure to lock the doors"
Antonym: careless (indirect, via careful)
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