Assertion and Question

Opposite meaning words

Assertion noun - A solemn and often public declaration of the truth or existence of something.

Usage example: the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence

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Question is an antonym for assertion.

Question noun - An interrogative expression often used to test knowledge.

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Assertion is an antonym for question.

common	common assertion	common question
following	following assertion	following question
certain	certain assertion	certain question
original	original assertion	original question
Other adjectives: wrong, last, previous.

Of course, the judgement call in question was his decision to withhold a cure from a dying race, based on Phlox's assertion that nature "selected" them to die so another race could thrive.

Source: Frequently-Broken Unbreakable Vow
Begging the Question: A logical fallacy where you claim to prove something simply by asserting that it's true (usually in slightly different wording; Circular Reasoning is similar, but with more than two steps intervening between the postulate and the assertion).

Source: Catch-22 Dilemma

Cite this Source

Question and Assertion. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/assertion/question

Assertion & Question. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/assertion/question>.

Question or Assertion. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/assertion/question.

Google Ngram Viewer shows how "assertion" and "question" have occurred on timeline