Flex
Flex verb - Cause (a plastic object) to assume a crooked or angular form.
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Synonyms for Flex
Strengthen and flex are semantically related. In some cases you can use "Strengthen" instead a verb "Flex".
Strengthen
Strengthen verb - To increase the ability of (as a muscle) to exert physical force.
Flex and strengthen are semantically related. Sometimes you can use "Flex" instead a verb "Strengthen".
Nearby Words: strength, strengthening
Common collocations
Cite this Source
Strengthen and Flex. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/flex/strengthen
Flex & Strengthen. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/flex/strengthen>.
Strengthen or Flex. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/flex/strengthen.
Google Ngram Viewer shows how "flex" and "strengthen" have occurred on timeline