clenched

clinched adjective closed or squeezed together tightly; `a clenched fist`; `his clenched (or clinched) teeth`
Found on https://www.encyclo.co.uk/local/20974

clenched

closed or squeezed together tightly
Found on https://www.vocabulary.com/lists/213034

clenched

[adj] - closed or squeezed together tightly
Found on http://www.webdictionary.co.uk/definition.php?query=clenched
No exact match found