What is the meaning of lurch?

noun

• An unsteady uneven gait.
  • synonyms: stumble, stagger
• A decisive defeat in a game (especially in cribbage. )
• Abrupt up-and-down motion (as caused by a ship or other conveyance. )
  • usage: "the pitching and tossing was quite exciting"
  • synonyms: pitch, pitching
• The act of moving forward suddenly.
  • synonyms: lunge

verb

• Walk as if unable to control one's movements.
  • usage: "The drunken man staggered into the room"
  • synonyms: stagger, reel, keel, swag, careen
• Move abruptly.
  • usage: "The ship suddenly lurched to the left"
  • synonyms: pitch, shift
• Move slowly and unsteadily.
  • usage: "The truck lurched down the road"
• Loiter about, with no apparent aim.
  • synonyms: prowl
• Defeat by a lurch.
  • synonyms: skunk