verbun·clenched, un·clench·ing, un·clench·es
(third-person singular simple present unclenches, present participle unclenching, simple past and past participle unclenched)
- to open (something that was clenched)
- The baby stopped crying and unclenched her fists.
- (intransitive) to relax, especially one's muscles
- Bill, take some deep breaths and unclench.
From un- + clench.