'knuckle down' definitions:
Definition of 'knuckle down'
From: WordNet
verb
Work very hard, like a slave [syn: slave, break one's back, buckle down, knuckle down]
Synonyms of 'knuckle down'
From: Moby Thesaurus
- accede,
- accept,
- acquiesce,
- assent,
- be agreeable,
- buckle down,
- comply,
- consent,
- endeavor,
- face the music,
- go all out,
- go along with,
- hump,
- hump it,
- knock under,
- knuckle under,
- lay to,
- live with it,
- not resist,
- obey,
- ply the oar,
- relent,
- resign,
- spare no effort,
- submit,
- succumb,
- swallow it,
- swallow the pill,
- take,
- take it