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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 for sure; not definite.
It is uncertain whether eating too much salt causes health problems.
synonyms:
indefinite
antonyms:
certain, definite, positive
similar words:
blurry, doubtful, foggy, murky, obscure, unknown, unsettled
definition 2: not knowing with certainty; not sure.
Lottie is uncertain what to do next.
synonyms:
doubtful, undecided
antonyms:
certain, confident, positive
similar words:
hesitant, skeptical
definition 3: likely to change; not predictable.
You shouldn't go sailing in uncertain weather.
synonyms:
undecided, variable
antonyms:
certain
similar words:
erratic, 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