knuckle down

knuckle down


Definition of KNUCKLE DOWN

intransitive verb
:  to apply oneself earnestly

First Known Use of KNUCKLE DOWN

circa 1864


Next Word in the Dictionary: knuckle–dust
Previous Word in the Dictionary: knucklebone
All Words Near: knuckle down

Seen & Heard

What made you want to look up knuckle down? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More