knuckle down

Definition from Wiktionary, the free dictionary
Jump to: navigation, search



1864 in American English, from the game of marbles.


to knuckle down (third-person singular simple present knuckles down, present participle knuckling down, simple past and past participle knuckled down)

  1. (intransitive, chiefly UK, idiomatic) To get to work; to focus on a task.
    You should knuckle down and do your homework!

See also[edit]