Allow
Allow verb - To give permission for or to approve of.
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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Copper is softer than iron, which should allow rails that include it to flex more than pure steel.
Source: Literature / Atlas Shrugged -
Barnes has a moment of this when the lift attendant tries to pitch him the idea for a drinking straw with little accordion-style ridges that allow it to flex.
Source: It Will Never Catch On
Cite this Source
Flex and Allow. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/allow/flex
Allow & Flex. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/allow/flex>.
Flex or Allow. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/allow/flex.
Google Ngram Viewer shows how "allow" and "flex" have occurred on timeline