What is the meaning of idle?

noun

• The state of an engine or other mechanism that is idling.
  • usage: "the car engine was running at idle"

verb

• Run disconnected or idle.
  • usage: "the engine is idling"
  • synonyms: tick over
• Be idle; exist in a changeless situation.
  • usage: "The old man sat and stagnated on his porch"; "He slugged in bed all morning"
  • synonyms: laze, slug, stagnate

adjective

• Not in action or at work.
  • usage: "an idle laborer"; "idle drifters"; "the idle rich"; "an idle mind"
• Without a basis in reason or fact.
  • usage: "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
  • synonyms: baseless, groundless, unfounded, unwarranted, wild
• Not in active use.
  • usage: "the machinery sat idle during the strike"; "idle hands"
  • synonyms: unused
• Silly or trivial.
  • usage: "idle pleasure"; "light banter"; "light idle chatter"
  • synonyms: light
• Lacking a sense of restraint or responsibility.
  • usage: "idle talk"; "a loose tongue"
  • synonyms: loose
• Not yielding a return.
  • usage: "dead capital"; "idle funds"
  • synonyms: dead
• Not having a job.
  • usage: "idle carpenters"; "jobless transients"; "many people in the area were out of work"
  • synonyms: jobless, out of work