uncertain

adjective

  1. 1

    ambiguous (especially in the negative)

    she spoke in no uncertain terms

  2. 2

    not established beyond doubt; still undecided or unknown

    an uncertain future

    a manuscript of uncertain origin

  3. 3

    lacking or indicating lack of confidence or assurance

    uncertain of his convictions

    unsure of himself and his future

  4. 4

    not certain to occur; not inevitable

    everything is uncertain about the army

    the issue is uncertain

  5. 5

    not consistent or dependable

    an uncertain recollection of events

    a gun with a rather uncertain trigger

  6. 6

    not established or confirmed

    his doom is as yet unsealed

  7. 7

    subject to change

    a changeable climate

    the weather is uncertain

Synonyms

Also useful for “uncertain”:Unscrambler