clench
Definition
To close or tighten the hand into a fist or to grip tightly.
Español Cerrar o apretar la mano formando un puño o agarrar con fuerza.
Example
"He clenched his teeth in frustration during the argument."
To close or tighten the hand into a fist or to grip tightly.
Español Cerrar o apretar la mano formando un puño o agarrar con fuerza.
"He clenched his teeth in frustration during the argument."