unclench

/สŒnหˆklษ›ntสƒ/

IPA: /AH0 N K L EH1 N CH/

verb
  1. 1

    To open (something that was clenched).

    โ€œThe baby stopped crying and unclenched her fists.โ€

  2. 2

    To relax, especially one's muscles.

    โ€œBill, take some deep breaths and unclench.โ€

Source: https://en.wiktionary.org/wiki/unclench