verb

doubt

to doubt, to question

I doubt that he will come.

I doubt that he will come.

She never doubted his ability.

She never doubted his ability.

((that ...)) to doubt that... I doubt that he is telling the truth.

((sth.)) to doubt (sth.). I doubt his story.

((if/whether ...)) to doubt if/whether... We doubt whether it is possible.

Synonyms: to question, to suspect, to mistrust; Antonyms: to believe, to trust, to be certain

From Latin 'dubitare' (to hesitate, to doubt), from 'dubius' (doubtful).

When you doubt something, you have a 'double' or second thought about it.

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