Verb
The word is derived from grit
of Grit
Source: Webster's dictionaryShe gritted her teeth. She was here with Sebastian, on her way to see a powerful warlock, and mentally she was maundering on about the way Jace smelled. Cassandra Clare
The more one knows fairy tales the less fantastical they appear; they can be vehicles of the grimmest realism, expressing hope against all the odds with gritted teeth. Marina Warner
I am not exuding anything," said Holly through gritted teeth. Orion tapped her shoulder. "I beg to differ. You're exuding right now, a wonderful aura. It's pastel blue with little dolphins. Eoin Colfer
why can't you just get out of here and leave me alone?"i bellowed. "i can't!" dylan shouted back, his face twisted with an anger i'd never seen from him. "you can,"i said through gritted teeth."just point your wings that way and flap! James Patterson
What do you think?" I whisper to Peeta. "About the fire?" "I'll rip off your cape if you'll rip off mine," he says through gritted teeth. Suzanne Collins
Amy gritted her teeth. "King Louis XVI even put Franklin's picture on a chamber pot!" Jonah looked at his dad. "Do we have souvenir chamber pots?" "No." His dad whipped out his phone. "I'll make the call. Rick Riordan