verb (used with object), grit·ted, grit·ting.
verb (used without object), grit·ted, grit·ting.
Origin of grit
Related formsgrit·less, adjectivegrit·ter, noun
British Dictionary definitions for grit one's teeth (1 of 2)
verb grits, gritting or gritted
Derived Formsgritless, adjective
Word Origin for grit
British Dictionary definitions for grit one's teeth (2 of 2)
noun, adjective Canadian
Idioms and Phrases with grit one's teeth
grit one's teeth
Summon up one's strength to face unpleasantness or overcome a difficulty. For example, Gritting his teeth, he dove into the icy water. This expression uses grit in the sense of both clamping one's teeth together and grinding them with effort. [Late 1700s]