The AI-powered English dictionary
third-person singular simple present unclenches, present participle unclenching, simple past and past participle unclenched
(transitive) To open (something that was clenched). quotations examples
I watched her clench and unclench her fists nervously.
2019, Candice Carty-Williams, Queenie, Trapeze, page 330
(intransitive) To relax, especially one's muscles. examples