• noun
• synonym
• antonym

• verb
• synonym
• antonym

• bare-knuckle (adjective)
  1. characterized by disorderly action and disregard for rules
• knuckle bump (noun)
  1. a gesture performed when two people each form a closed fist with one hand and then lightly tap the front of their fists together, similar in meaning to a handshake or high-five
• knuckle down (verb)
  1. work very hard, like a slave
• knuckle duster (noun)
  1. a small metal weapon; worn over the knuckles on the back of the hand
• knuckle joint (noun)
  1. a joint of a finger when the fist is closed
  2. a joint allowing movement in one plane only
• knuckle sandwich (noun)
  1. slang a punch in the mouth
• knuckle under (verb)
  1. consent reluctantly
• knuckle-dragger (noun)
  1. a man who is stupid
• knuckle-duster (noun)
  1. a piece of metal that covers all the knuckles of the hand, used as a weapon
• white-knuckle (adjective)
  1. a white-knuckle ride at a FAIRGROUND makes you feel excited and afraid at the same time
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