Meaning 1neutral · 88%
To press or grind the teeth together, especially because of anger or distress.
Natural examples
The manager gnashed his teeth after the talks collapsed.
He was gnashing his teeth through the painful procedure.
The villain gnashes his teeth whenever his rival wins.
Usage note
Gnash is much more often used with teeth than with other objects; the initial g is silent.
Useful combinations
gnash your teeth — grind your teeth as a sign of anger or frustration