20 skeptical synonyms include dubious, doubtful, having reservations, doubting, questioning, cynical, distrustful, mistrustful, and disbelieving. Skeptical is an adjective, and its antonyms are certain, convinced, and optimistic. Here are some additional synonyms for "skeptical" with example sentences.
20 other ways to say skeptical.
He’s always skeptical of new ideas.
I’m skeptical until I see proof.
She felt skeptical about his story.
They were skeptical of the results.