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uncertain  - definition and synonyms

 
 
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adjective uncertain pronunciation in British English /ʌnˈsɜː(r)t(ə)n/
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  1. 1
    not clearly known or understood

    The origin of the word is uncertain.

    it is uncertain whether/why/how etc:

    It is uncertain how they entered the property.

    remain uncertain:

    Despite recent research, the precise mechanism of the virus remains uncertain.

    1. a.
      likely to change and become worse

      The economic outlook was beginning to look uncertain.

      uncertain future:

      The industry as a whole faces a very uncertain future.

  2. 2
    not feeling sure about what to do, whether something is true etc
    uncertain about/of:

    I left the meeting feeling anxious, and uncertain about what to do next.

    uncertain what/why/how etc:

    Greg was uncertain how to respond to this odd request.

derived word

bit rot

when electronic information is lost because the software or devices needed to read it are no longer available

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