Flex
Flex verb - Cause (a plastic object) to assume a crooked or angular form.
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Synonyms for Flex
Warm up and flex are semantically related. In some cases you can use "Warm up" instead a verb "Flex".
Warm up
Warm up verb - Get warm or warmer.
Cite this Source
Warm up and Flex. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flex/warm_up
Flex & Warm up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flex/warm_up>.
Warm up or Flex. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flex/warm_up.
Google Ngram Viewer shows how "flex" and "warm up" have occurred on timeline