Synonyms for (adjective) uncertain

Synonyms: uncertain

Definition: ambiguous (especially in the negative)

Usage: she spoke in no uncertain terms

Similar words: ambiguous

Definition: having more than one possible meaning

Usage: ambiguous words; frustrated by ambiguous instructions, the parents were unable to assemble the toy


Synonyms: uncertain

Definition: not established beyond doubt; still undecided or unknown

Usage: 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

Similar words: indefinite

Definition: not decided or not known

Usage: were indefinite about their plans; plans are indefinite


Similar words: up in the air

Definition: very uncertain

Usage: left everything up in the air


Synonyms: uncertain, unsure, incertain

Definition: lacking or indicating lack of confidence or assurance

Usage: 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

Similar words: ambivalent

Definition: uncertain or unable to decide about what course to follow

Usage: was ambivalent about having children


Similar words: doubtful, dubious

Definition: fraught with uncertainty or doubt

Usage: they were doubtful that the cord would hold; it was doubtful whether she would be admitted; dubious about agreeing to go


Similar words: groping

Definition: acting with uncertainty or hesitance or lack of confidence

Usage: a groping effort to understand


Synonyms: uncertain

Definition: not certain to occur; not inevitable

Usage: everything is uncertain about the army; the issue is uncertain

Similar words: iffy, chancy, flukey, fluky

Definition: subject to accident or chance or change

Usage: a chancy appeal at best; getting that job was definitely fluky; a fluky wind; an iffy proposition


Similar words: contingent

Definition: uncertain because of uncontrollable circumstances

Usage: the results of confession were not contingent, they were certain- George Eliot


Similar words: up in the air

Definition: not yet determined

Usage: plans are still up in the air


Synonyms: uncertain

Definition: not consistent or dependable

Usage: an uncertain recollection of events; a gun with a rather uncertain trigger

Similar words: undependable, unreliable

Definition: not worthy of reliance or trust

Usage: in the early 1950s computers were large and expensive and unreliable; an undependable assistant


Synonyms: unsettled, uncertain, changeable

Definition: subject to change

Usage: a changeable climate; the weather is uncertain; unsettled weather with rain and hail and sunshine coming one right after the other

Similar words: variable

Definition: liable to or capable of change

Usage: rainfall in the tropics is notoriously variable; variable winds; variable expenses