plural of gnawing

(of pain or hunger) severe or intense

The process by which something is gnawed. / A sensation of being gnawed.

present participle of gnaw

the act of gnawing

(transitive, intransitive) To bite something persistently, especially something tough. / (intransitive) To produce excessive anxiety or worry. / To corrode; to fret away; to waste.

simple past tense and past participle of gnaw

Third-person singular simple present indicative form of gnaw

(idiomatic) To deeply trouble (someone).

In a manner that chafes or worries.