grinding between the teeth as hard fibrous vegetables not well boiled meaning in tamil

Word: grinding between the teeth as hard fibrous vegetables not well boiled - The english word have 69 alphabets and vowels..

Meanings in tamil :

As noun :
nṟunṟuttl ( நறுநறுத்தல் )
நறுநறெனல்
ஈரடுக் கொலிக்குறிப்பு
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