Idiomsverbjump to other results
NAmE//næʃ//Verb Forms present simple I / you / we / they gnash
he / she / it gnashes
past simple gnashed
-ing form gnashing
to feel very angry and upset about something, especially because you cannot get what you want He'll be gnashing his teeth when he hears that we lost the contract. The news caused great wailing and gnashing of teeth.
gnash your teethjump to other results