Oxford Advanced American Dictionary

Search results

Oxford Advanced Learner’s Dictionary App

Ask Text Checker

Improve your writing skills with the Oxford iWriter

1 million copies sold

Get an Oxford Advanced Learners Dictionary search box for your web site

Definition of knuckle verb from the Oxford Advanced Learner's Dictionary

knuckle

verb

knuckle pronunciation English

ˈnʌkl

knuckle pronunciation American

ˈnʌkl

Phrasal verbs

knuckle down (to something)

(informal) to begin to work hard at something

Synonym

get down toI'm going to have to knuckle down to some serious study.

knuckle under (to somebody/something)

(informal) to accept somebody else's authority