gnash
C2Noun/US /næʃ/ năsh; UK /næʃ/ năsh/
To strike together, as in anger or pain; as, to gnash the teeth.

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To strike together, as in anger or pain; as, to gnash the teeth. Explore pronunciation, examples, forms and usage in the JadoLearn English dictionary.
To strike together, as in anger or pain; as, to gnash the teeth.
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