Skip to content

uncertain

/ʌnˈsɜɹ.tən/adjective3 syllables

Uncertain means: not certain to occur; not inevitable.

Synonyms for uncertain23

adjective, as in not certain to occur; not inevitable

chancy, fluky, flukey, iffy, contingent, up in the air, unpredictable

adjective, as in lacking or indicating lack of confidence or assurance

unsure, incertain, ambivalent, doubtful, dubious, groping

adjective, as in not established beyond doubt; still undecided or unknown

indefinite, up in the air, indeterminate, undetermined

adjective, as in subject to change

changeable, unsettled, variable

adjective, as in not consistent or dependable

unreliable, undependable

adjective, as in not established or confirmed

unsealed

adjective, as in ambiguous (especially in the negative)

ambiguous

Opposites of uncertain

certain

What does uncertain mean?7

adjective

1

not certain to occur; not inevitable“everything is uncertain about the army”

2

lacking or indicating lack of confidence or assurance“uncertain of his convictions”

3

not established beyond doubt; still undecided or unknown“an uncertain future”

4

subject to change“a changeable climate”

5

not consistent or dependable“an uncertain recollection of events”

6

not established or confirmed“his doom is as yet unsealed”

7

ambiguous (especially in the negative)“she spoke in no uncertain terms”

Definitions from the Open English WordNet, CC BY 4.0.

What rhymes with uncertain?3

two syllables

certaincurtainburton
Show 40 near rhymes
personservicecurrentversiongermancommercialpurposesurfacejournalpurchaseinternalurbandetermineddeterminecircleexternaluniversalcircuitpurchasedpersonsnervouscolonelversionscouragepurpleversusworshipconversionburdencontroversialgermansurgentnursescirclessurgeoneternalservantmerchantthermalservants

Uncertain in a sentence

  • If you're uncertain about how to handle specific food scraps, ask for guidance.Amastan
  • Live life for the moment, because everything else is uncertain.Adelpa
  • The door was opened by an odd, swarthy, dried-up person of uncertain age.Hybrid
  • If you are not sure, or the status is uncertain, mark neutral.neytiri
  • Nothing is more certain than death, and nothing more uncertain than its hour.carlosalberto
  • I am uncertain whether this is a thing of value.unknown
  • The weather is uncertain at this time of year.AlanF_US
  • I was uncertain of my ability to do it.unknown

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.