
Doubtful
Indicate Hesitation
Use 'doubtful' to show you are hesitant about the certainty of something.

I'm doubtful about the plans for the weekend.
Express Concern
Convey your concern or worry about the success or outcome of an event.

The coach is doubtful his team will win.
Compare with
AmbiguousCertainClearDubiousHesitantQuestionableSkepticalSuspicious
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