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.
Origin of knuckle
Related formsknuck·ly, adjective
Examples from the Web for knuckle
As I rub my left hand, I notice a small bruise around the knuckle of my pinkie finger.
The painting, created between 1500 and 1525, features a wealthy woman in a bejeweled collar, also wearing a first knuckle ring.First Knuckle Rings, Popular During the Renaissance, Return to Fashion|Misty White Sidell|January 31, 2013|DAILY BEAST
“Being new in town, it was really important to focus and knuckle down,” she said of her decision to focus on acting.‘Game of Thrones’: Esmé Bianco Talks About Ros, Sexposition, Nudity, and More|Jace Lacob|May 18, 2012|DAILY BEAST
He is tough, a Scottish bruiser when it comes to a knuckle fight.
Can we tighten our belts, knuckle down and use that knowledge that our forefathers and mothers gave us?
A knuckle bone or a cramp bone carried in the pocket prevents cramp.Weather and Folk Lore of Peterborough and District|Charles Dack
Having washed a fore-quarter or knuckle of veal, and cracked the bones, put it on to boil with two quarts and a pint of water.Directions for Cookery, in its Various Branches|Eliza Leslie
I felt mortified that I had ever had a desire to "knuckle up" with any but kings' sons or sultans' little boys.
Boil a knuckle of veal to shreds, add a quarter of a pound of vermicelli, half a pint of cream, and lemon peel and mace.The Young Housekeeper's Friend|Mrs. (Mary Hooker) Cornelius
Mr Fairman knocked with his knuckle before he entered, and a gruff voice desired him to "come in."
British Dictionary definitions for knuckle
Derived Formsknuckly, adjective
Word Origin for knuckle
Medicine definitions for knuckle
Idioms and Phrases with knuckle
In addition to the idioms beginning with knuckle
- knuckle down
- knuckle under
- rap someone's knuckles