uncertain

/ʌnˈsɜr·tən/

Definition

› unclear, or not sure: She faces an uncertain future. We’re uncertain of the cause of death. uncertainty

/ʌnˈsɜr·tən·ti/ noun [C/U] › [U] They live in uncertainty and confusion.

(Definition of uncertain adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)

to express disagreement or refuse to do something

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