- knuckle
- n1. finger joint, knucklebone; joint, articulation, geniculation; angle, bend, crook, hook.2. joint of meat, cut of meat.v3. knuckle downInformal. apply oneself, exert oneself, lay oneself out, put oneself out; buckle down, get down to, put one's nose to the grindstone, go at; take the bull by the horns, put one's shoulder to the wheel; launch into, launch upon, fire away; get going, get busy, get into.4. knuckle underdefer to, be regulated by, be governed by, be subject to; stoop, bend to, bow to, truckle to, humble oneself to, bend the knee to, knuckle to, do [s.o.'s] bidding; yield, surrender, give in, give way to; capitulate, succumb to, fall, raise the white flag, cry or say uncle; resign oneself, acquiesce, throw in the towel, give up the ship, cease the struggle, grin and bear it.
A Note on the Style of the synonym finder. 2014.