Search Result for "uncertain": 
Wordnet 3.0

ADJECTIVE (7)

1. lacking or indicating lack of confidence or assurance;
- Example: "uncertain of his convictions"
- Example: "unsure of himself and his future"
- Example: "moving with uncertain (or unsure) steps"
- Example: "an uncertain smile"
- Example: "touched the ornaments with uncertain fingers"
[syn: uncertain, unsure, incertain]

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

3. not established or confirmed;
- Example: "his doom is as yet unsealed"
[syn: unsealed, uncertain]

4. not certain to occur; not inevitable;
- Example: "everything is uncertain about the army"
- Example: "the issue is uncertain"

5. subject to change;
- Example: "a changeable climate"
- Example: "the weather is uncertain"
- Example: "unsettled weather with rain and hail and sunshine coming one right after the other"
[syn: changeable, uncertain, unsettled]

6. not consistent or dependable;
- Example: "an uncertain recollection of events"
- Example: "a gun with a rather uncertain trigger"

7. ambiguous (especially in the negative);
- Example: "she spoke in no uncertain terms"



The Collaborative International Dictionary of English v.0.48:

Uncertain \Un*cer"tain\ ([u^]n*s[~e]r"t[i^]n), a. [Pref. un- not
   + certain. Cf. Incertain.]
   1. Not certain; not having certain knowledge; not assured in
      mind; distrustful. --Chaucer.
      [1913 Webster]

            Man, without the protection of a superior Being, . .
            . is uncertain of everything that he hopes for.
                                                  --Tillotson.
      [1913 Webster]

   2. Irresolute; inconsonant; variable; untrustworthy; as, an
      uncertain person; an uncertain breeze.
      [1913 Webster]

            O woman! in our hours of ease,
            Uncertain, coy, and hard to please!   --Sir W.
                                                  Scott.
      [1913 Webster]

   3. Questionable; equivocal; indefinite; problematical. "The
      fashion of uncertain evils." --Milton.
      [1913 Webster]

            From certain dangers to uncertain praise. --Dryden.
      [1913 Webster]

   4. Not sure; liable to fall or err; fallible.
      [1913 Webster]

            Soon bent his bow, uncertain in his aim. --Dryden.
      [1913 Webster]

            Whistling slings dismissed the uncertain stone.
                                                  --Gay.
      [1913 Webster]

   Syn: See Precarious.
        [1913 Webster]


The Collaborative International Dictionary of English v.0.48:

Uncertain \Un*cer"tain\, v. t. [1st pref. un- + certain; or fr.
   uncertain, a.]
   To make uncertain. [Obs.] --Sir W. Raleigh.
   [1913 Webster]


WordNet (r) 3.0 (2006):

uncertain
    adj 1: 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" [syn: uncertain, unsure,
           incertain] [ant: certain(p), sure]
    2: 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" [ant: certain(p)]
    3: not established or confirmed; "his doom is as yet unsealed"
       [syn: unsealed, uncertain] [ant: certain, sealed]
    4: not certain to occur; not inevitable; "everything is
       uncertain about the army"; "the issue is uncertain" [ant:
       certain, sure]
    5: subject to change; "a changeable climate"; "the weather is
       uncertain"; "unsettled weather with rain and hail and
       sunshine coming one right after the other" [syn:
       changeable, uncertain, unsettled]
    6: not consistent or dependable; "an uncertain recollection of
       events"; "a gun with a rather uncertain trigger"
    7: ambiguous (especially in the negative); "she spoke in no
       uncertain terms"