doubtful

/ˈdaʊtfəl/ adjective

Definition

NOT PROBABLE › not probable: It's doubtful if/whether he'll be able to come. [+ (that)] It's doubtful that anyone survived the fire.

NOT CERTAIN › not feeling certain about something: She's still doubtful about her decision.

doubtfully adverb

(Definition of doubtful adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

everything that exists or is possible

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