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uncertain

un·cer·tain

uncertain

 
 
pronunciation:
uhn suhr tn
features:
Word Explorer, Word Parts
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
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
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
derivations: uncertainly (adv.), uncertainness (n.)
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Word Parts
The word uncertain contains the following part:
un-1 Old English prefix that means not
Show wordsHide wordsMore about this word part:
The prefix un1 attaches to adjectives to create adjectives that mean the opposite of the base word.
synonyms:
dis-, de-, in-2