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Synonyms of uncertain

Adjective


1. uncertain (vs. certain), unsure (vs. sure), incertain, ambivalent, doubtful, dubious, groping

usage: lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"

2. uncertain (vs. certain), indefinite, up in the air, indeterminate#1, undetermined

usage: not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain"

3. unsealed (vs. sealed), uncertain

usage: not established or confirmed; "his doom is as yet unsealed"

4. uncertain (vs. certain), chancy, fluky, flukey, iffy, contingent, up in the air, unpredictable

usage: not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain"

5. changeable, uncertain, unsettled, variable (vs. invariable)

usage: subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"

6. uncertain, unreliable (vs. reliable), undependable (vs. dependable)

usage: not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger"

7. uncertain, ambiguous (vs. unambiguous)

usage: ambiguous (especially in the negative); "she spoke in no uncertain terms"

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See also: uncertain (Dictionary)