- unsure
- I(New American Roget's College Thesaurus)adj. skeptical, uncertain; unconfident, hesitant. See uncertainty.II(Roget's IV) modif.III(Roget's 3 Superthesaurus) a.uncertain, doubtful, in doubt, questionable, *iffy, *up in the air, undecided, dubious, skeptical, not confident, insecure.ANT.: sure, certain, confidentIV(Roget's Thesaurus II) adjective 1. Not affording certainty: ambiguous, borderline, chancy, clouded, doubtful, dubious, dubitable, equivocal, inconclusive, indecisive, indeterminate, problematic, problematical, questionable, uncertain, unclear. Informal: iffy. Idioms: at issue, in doubt, in question. See CERTAIN, CLEAR. 2. Marked by lack of firm decision or commitment; of questionable outcome: indefinite, open, uncertain, undecided, undetermined, unresolved, unsettled, vague. Idiom: up in the air. See CERTAIN. 3. Lacking stability: infirm, insecure, precarious, shaky, tottering, tottery, unstable, unsteady, weak, wobbly. See CHANGE, STRONG. 4. Experiencing doubt: doubtful, dubious, skeptical, uncertain, undecided. Idiom: in doubt. See CERTAIN.
English dictionary for students. 2013.