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un·cer·tain
 uncertain
- pronunciation:
- uhn
suhr
t
 n
- features:
- Word Explorer
| part of speech: |
adjective |
| definition 1: |
not known with certainty; indefinite or vague.
- synonyms:
- ambiguous, indefinite, indeterminate, unclear, vague
- antonyms:
- certain, definite, positive
- similar words:
- blurry, borderline, debatable, doubtful, equivocal, foggy, indistinct, moot, murky, nebulous, obscure, questionable, undetermined, unknown, unsettled
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| definition 2: |
not knowing with certainty; doubtful or unsure.
- synonyms:
- doubtful, irresolute, undecided, unsure, vague
- antonyms:
- certain, confident, positive, sure
- similar words:
- dubious, hesitant, indecisive, skeptical, uneasy, wavering, wishy-washy
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| definition 3: |
undecided, changeable, or unpredictable.
- synonyms:
- changeable, undecided, unpredictable, variable
- antonyms:
- assured, certain, predictable, sure
- similar words:
- aleatory, chancy, doubtful, erratic, fluctuating, precarious, random, risky, up in the air
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| related words: |
adrift, contingent, critical, fickle, inconsistent, insecure, irresolute, queasy, quizzical, sketchy, suspicious, tentative, volatile |
| derivations: |
uncertainly (adv.), uncertainness (n.) |
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