Extend
Extend verb - To make longer.
Flex
Flex verb - Cause (a plastic object) to assume a crooked or angular form.
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Synonyms for Flex
Common collocations
Both words in one sentence
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The muscles tautening and relaxing, flex, extend, miraculous cells working their collective way to move great heavy bones and sacs of skin and organs, shift them balance them so delicately.
Source: Limb-Sensation Fascination
Cite this Source
Flex and Extend. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/extend/flex
Extend & Flex. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/extend/flex>.
Flex or Extend. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/extend/flex.
Google Ngram Viewer shows how "extend" and "flex" have occurred on timeline