Boon and Constraint

Opposite meaning words

Boon noun - A thing that helps.

Usage example: the couple's generous donation was a great boon to the charity's fund-raising campaign

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Constraint is an antonym for boon.

Constraint noun - The checking of one's true feelings and impulses when dealing with others.

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Boon is an antonym for constraint.

major	major boon	major constraint
biggest	biggest boon	biggest constraint

Cite this Source

Constraint and Boon. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/boon/constraint

Boon & Constraint. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/boon/constraint>.

Constraint or Boon. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/boon/constraint.

Google Ngram Viewer shows how "boon" and "constraint" have occurred on timeline