Doubt and Question mark

Doubt

Doubt noun - A feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something.

Question mark and doubt are semantically related. In some cases you can use "Question mark" instead a noun "Doubt".

Question mark

Question mark noun - A punctuation mark (?) placed at the end of a sentence to indicate a question.
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Synonyms for Question mark

Doubt and question mark are semantically related. Sometimes you can use "Doubt" instead a noun phrase "Question mark".

Both terms in one sentence

Cite this Source
Question mark and Doubt. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/doubt/question_mark
Doubt & Question mark. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/doubt/question_mark>.
Question mark or Doubt. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/doubt/question_mark.
Google Ngram Viewer shows how "doubt" and "question mark" have occurred on timeline