Affirm
Affirm verb - Declare or affirm solemnly and formally as true.
Swear
Swear verb - To make a solemn declaration of intent.
Usage example: swear to tell the truth, the whole truth, and nothing but the truth
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Synonyms for Swear
Affirm is a synonym for swear in promise topic. You can use "Affirm" instead a verb "Swear", if it concerns topics such as assert, affirmation, declare under oath. popular alternative
Mutual synonyms
Common collocations
| love | affirm love | swear love |
| loyalty | affirm loyalty | swear loyalty |
| allegiance | affirm allegiance | swear allegiance |
Both words in one sentence
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In the movie Private Benjamin, Judy Benjamin, when taking her oath of loyalty after signing up for the Army, repeats, "...do solemnly swear or affirm..."
Cite this Source
Swear and Affirm. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/affirm/swear
Affirm & Swear. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/affirm/swear>.
Swear or Affirm. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/affirm/swear.
Google Ngram Viewer shows how "affirm" and "swear" have occurred on timeline