Synonyms of certain

Adjective

1. certain(prenominal), definite (vs. indefinite)

usage: 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"

2. certain(predicate) (vs. uncertain), sure (vs. unsure), convinced(predicate), positive(predicate), confident(predicate)

usage: 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"

3. certain(predicate) (vs. uncertain), definite, indisputable, sure, sure as shooting

usage: 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"

4. certain (vs. uncertain), sure, bound(predicate), destined, doomed, fated, foreordained, predestinate, predestined, in for(predicate), predictable

usage: 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"

5. sealed (vs. unsealed), certain

usage: established irrevocably; "his fate is sealed"

6. certain, sure, reliable (vs. unreliable), dependable (vs. undependable)

usage: reliable in operation or effect; "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites"

7. certain, sure, careful (vs. careless)

usage: 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"

Definition and meaning of certain (Dictionary)