The Collaborative International Dictionary
Unclutch \Un*clutch"\, v. t. [1st pref. un- + clutch.]
To open, as something closely shut. ``Unclutch his griping hand.''
--Dr. H. More.(Mech.) To disengage, as a clutch.
Wiktionary
vb. 1 (context transitive English) To open (something tightly closed). 2 (context transitive English) To disengage (a clutch, etc.).
Usage examples of "unclutch".
Ere he had again addressed the Solitary, the bony hand and long fingers of the latter, holding a large leathern bag, was thrust forth at the small window, and as it unclutched the burden, and let it drop with a clang upon the ground, his harsh voice again addressed Elliot.
The news must have been bad because the woman clutched and unclutched the purse in her lap.
His fingers were actually clutching and unclutching, his face dusky with anger.
The man was out in front of his laundry unable to speak, reeling about, clutching and unclutching his hands as if kneading unseen bread.