Flex and Open

Flex

Flex verb - Cause (a plastic object) to assume a crooked or angular form.

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Open and flex are semantically related. In some cases you can use "Open" instead a verb "Flex".

Nearby Words: flexible, flexibility, flexure, flexed, flexing

Open verb - To change from a closed to an open position.

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Flex and open are semantically related. Sometimes you can use "Flex" instead a verb "Open".

Nearby Words: opening, openness, opened, opener

way	flex way	open way
eyes	flex eyes	open eyes

Desmond will flex his empty left hand in the characteristic gesture of flicking it open, then glance at his wrist as if wondering why it didn't work.

Source: Video Game / Assassin's Creed: Revelations
Her response is to flex her bicep, which forces his hand open.

Source: Literature / Protector of the Small
Another reason for this is to flex the muscles, loosen the joints, and open the blood vessels which helps to improve blood-flow and reduce the strain and potential damage from overexerting a stiff body part.

Source: Knuckle Cracking

Cite this Source

Open and Flex. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/flex/open

Flex & Open. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/flex/open>.

Open or Flex. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/flex/open.

Google Ngram Viewer shows how "flex" and "open" have occurred on timeline