uncertain: Meaning and Definition of

un•cer•tain

Pronunciation: (un-sûr'tn), [key]

— adj.

not definitely ascertainable or fixed, as in time of occurrence, number, dimensions, or quality.
not confident, assured, or free from hesitancy: an uncertain smile.
not clearly or precisely determined; indefinite; unknown: a manuscript of uncertain origin.
vague; indistinct; not perfectly apprehended: an abstruse novel with uncertain themes.
subject to change; variable; capricious; unstable: a person of uncertain opinions.
ambiguous; unreliable; undependable: Her loyalties are uncertain.
dependent on chance or unpredictable factors; doubtful; of unforeseeable outcome or effect.
unsteady or flickering, as light; of changing intensity or quality.

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