uncertain

Pronunciation

• IPA ^(key): /ʌnˈsɜːtən/

• Audio (US)

  (file)

Adjective

Positive uncertain

Comparative more uncertain

Superlative most uncertain

1. Uncertain is the opposite of certain. You don't know whether it is going to happen or not. You have doubts about it.
   • Synonym: unsure

   I'm uncertain whether I should go out tonight.

Related words

• uncertainty