incertain

from WordNet (r) 3.0 (2006)

incertain
    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}]

from The Collaborative International Dictionary of English v.0.48

Incertain \In*cer"tain\, n. [Pref. in- not + certain: cf. F.
   incertain, L. incertus. See {Certain}.]
   Uncertain; doubtful; unsteady. -- {In*cer"tain*ly}, adv.
   [1913 Webster]

         Very questionable and of uncertain truth. --Sir T.
                                                  Browne.
   [1913 Webster]

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