[ uhn-klench ]
/ ʌnˈklɛntʃ /

verb (used with or without object)

to open or become opened from a clenched state.
Also un·clinch [uhn-klinch] /ʌnˈklɪntʃ/.

Origin of unclench

First recorded in 1300–50, unclench is from the Middle English word unclenchen. See un-2, clench
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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