Dictionary > English Dictionary > Definition, synonym and antonym of uncertain
Meaning of uncertain by Wiktionary Dictionary



    un- +‎ certain


    • IPA: /ʌnˈsɜːtən/
    • Rhymes: -ɜː( r )tən


    uncertain ( comparative more uncertain, superlative most uncertain )

    1. not known for certain; questionable
    2. not yet determined; undecided
    3. variable and subject to change
    4. fitful or unsteady
    5. unpredictable or capricious


    Related terms


Explanation of uncertain by Wordnet Dictionary


    1. ambiguous ( especially in the negative )

    2. she spoke in no uncertain terms
    3. not established beyond doubt

    4. 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
    5. lacking or indicating lack of confidence or assurance

    6. uncertain of his convictions
      moving with uncertain ( or unsure ) steps
      an uncertain smile
      touched the ornaments with uncertain fingers
    7. not certain to occur

    8. everything is uncertain about the army
      the issue is uncertain
    9. not consistent or dependable

    10. an uncertain recollection of events
      a gun with a rather uncertain trigger
    11. not established or confirmed

    12. subject to change

    13. the weather is uncertain

    Definition of uncertain by GCIDE Dictionary


    1. Uncertain ( ŭnsẽrtĭn ), a. [Pref. un- not + certain. Cf. Incertain.]
      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. Tillotson.

      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. Scott.

      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. Gay.

      Syn. -- See Precarious.

    2. Uncertain, v. t. [1st pref. un- + certain; or fr. uncertain, a.] To make uncertain. [Obs.] Sir W. Raleigh.