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Meaning of UNCERTAIN

Pronunciation:  un'surtn

WordNet Dictionary
  1. [adj]  especially in the negative"no uncertain," as in"spoke in no uncertain terms"
  2. [adj]  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 consquences"; "without further evidence his story must remain uncertain"
  3. [adj]  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"
  4. [adj]  not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain"
  5. [adj]  not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger"
  6. [adj]  subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"
  7. [adj]  not established or confirmed; "his doom is as yet unsealed"
  8. [adj]  not safe from danger or mishap; "faced an uncertain future"; "an unsure existence"
  9. [adj]  not firm or secure; "balancing three boxes in an uncertain pile"

UNCERTAIN is a 9 letter word that starts with U.


 Synonyms: ambiguous, ambivalent, chancy, changeable, contingent, doubtful, dubious, flukey, fluky, groping, hesitant, iffy, incertain, indefinite, insecure, undependable, unreliable, unsafe, unsealed, unsettled, unsure, up in the air, variable
 Antonyms: certain, certain(p), sealed, sure
 See Also: indeterminate, undetermined, unpredictable



Webster's 1913 Dictionary
  1. \Un*cer"tain\, a. [Pref. un- + certain. Cf.
    1. Not certain; not having certain knowledge; not assured in
       mind; distrustful. --Chaucer.
             Man, without the protection of a superior Being, . .
             . is uncertain of everything that he hopes for.
    2. Irresolute; inconsonant; variable; untrustworthy; as, an
       uncertain person; an uncertain breeze.
             O woman! in our hours of ease, Uncertain, coy, and
             hard to please!                       --Sir W.
    3. Questionable; equivocal; indefinite; problematical. ``The
       fashion of uncertain evils.'' --Milton.
             From certain dangers to uncertain praise. --Dryden.
    4. Not sure; liable to fall or err; fallible.
             Soon bent his bow, uncertain in his aim. --Dryden.
             Whistling slings dismissed the uncertain stone.
    Syn: See {Precarious}.
  2. \Un*cer"tain\, v. t. [1st pref. un- + certain; or fr.
    uncertain, a.]
    To make uncertain. [Obs.] --Sir W. Raleigh.