What is the meaning of tripping?

verb

• Miss a step and fall or nearly fall.
  • usage: "She stumbled over the tree root"
  • synonyms: stumble, trip
• Cause to stumble.
  • usage: "The questions on the test tripped him up"
  • synonyms: trip, trip up
• Make a trip for pleasure.
  • synonyms: travel, trip, jaunt
• Put in motion or move to act.
  • usage: "trigger a reaction"; "actuate the circuits"
  • synonyms: trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off
• Get high, stoned, or drugged.
  • usage: "He trips every weekend"
  • synonyms: trip, trip out, turn on, get off

adjective

• Characterized by a buoyant rhythm.
  • usage: "an easy lilting stride"; "the flute broke into a light lilting air"; "a swinging pace"; "a graceful swingy walk"; "a tripping singing measure"
  • synonyms: lilting, swinging, swingy
• Moving easily and quickly; nimble.
  • usage: "the dancer was light and graceful"; "a lightsome buoyant step"; "walked with a light tripping step"
  • synonyms: light, lightsome