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Thesaurus: uncertain


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uncertain

adjective
  1. Not affording certainty: ambiguous, borderline, chancy, clouded, doubtful, dubious, dubitable, equivocal, inconclusive, indecisive, indeterminate, problematic, problematical, questionable, unclear, unsure. Informal: iffy. Idioms: at issue, in doubt, in question. See certain, clear
  2. In doubt or dispute: arguable, contested, debatable, disputable, doubtful, exceptionable, moot, mootable, problematic, problematical, questionable. See certain
  3. Liable to more than one interpretation: ambiguous, cloudy, equivocal, inexplicit, nebulous, obscure, unclear, vague. See certain, clear
  4. Of dubious character: doubtful, equivocal, questionable, shady, suspect, suspicious. Informal: fishy. See honest
  5. Marked by lack of firm decision or commitment; of questionable outcome: indefinite, open, undecided, undetermined, unresolved, unsettled, unsure, vague. Idiom: up in the air. See certain
  6. Experiencing doubt: doubtful, dubious, skeptical, undecided, unsure. Idiom: in doubt. See certain
  7. Capable of or liable to change: alterable, changeable, fluid, inconstant, mutable, unsettled, unstable, unsteady, variable, variant. Archaic: various. See change
  8. Following no predictable pattern: capricious, changeable, erratic, fantastic, fantastical, fickle, freakish, inconsistent, inconstant, mercurial, temperamental, ticklish, unpredictable, unstable, unsteady, variable, volatile, whimsical. See change, continue

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Roget's II: The New Thesaurus, Third Edition by the Editors of The American Heritage® Dictionary.
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