verb (used with object), knuck·led, knuck·ling.
- to apply oneself vigorously and earnestly; become serious: Just knuckle down for an hour or so and finish the work.
- Also knuckle under. to submit; yield.
Words nearby knuckle
Origin of knuckle
OTHER WORDS FROM knuckleknuck·ly, adjective
Examples from the Web for knuckled
Whatever the outcome of a later fight might be, the fact that he had knuckled under to the agent could never be lived down.Hidden Gold|Wilder Anthony
Bitzer knuckled his forehead again, and again begged pardon.Hard Times|Charles Dickens
Her shoulders are bowed from work, and her hands are gnarled and knuckled.The New Boys at Oakdale|Morgan Scott
At the end of another twenty-four hours Mr. Port knuckled under.The Uncle Of An Angel|Thomas A. Janvier
I knuckled my eyes, the carriage was motionless, and I distinctly heard the name of the dreaded priest Santa Cruz repeated.Romantic Spain|John Augustus O'Shea
British Dictionary definitions for knuckled
Derived forms of knuckleknuckly, adjective
Word Origin for knuckle
Medicine definitions for knuckled
Idioms and Phrases with knuckled
In addition to the idioms beginning with knuckle
- knuckle down
- knuckle under
- rap someone's knuckles