American Dictionary
Definition clench in American English
clench verb
verb
/klentʃ/
1
if you clench a part of your body such as your hand or your mouth, or if it clenches, you close it tightly, especially because you are angry or upset
Example
He clenched his fists in frustration.
Synonyms and related words
2
to hold something very firmly, especially because you are frightened, worried, or angry
