Quick definitions from WordNet (idle)
▸ verb: be idle; exist in a changeless situation
▸ verb: run disconnected or idle
▸ adjective: lacking a sense of restraint or responsibility ("Idle talk")
▸ adjective: silly or trivial ("Idle pleasure")
▸ adjective: not in active use ("The machinery sat idle during the strike")
▸ adjective: not in action or at work ("An idle laborer")
▸ adjective: not having a job ("Idle carpenters")
▸ adjective: not yielding a return ("Idle funds")
▸ adjective: without a basis in reason or fact ("Idle fears")
▸ Also see idle
▸ verb: be idle; exist in a changeless situation
▸ verb: run disconnected or idle
▸ adjective: lacking a sense of restraint or responsibility ("Idle talk")
▸ adjective: silly or trivial ("Idle pleasure")
▸ adjective: not in active use ("The machinery sat idle during the strike")
▸ adjective: not in action or at work ("An idle laborer")
▸ adjective: not having a job ("Idle carpenters")
▸ adjective: not yielding a return ("Idle funds")
▸ adjective: without a basis in reason or fact ("Idle fears")
▸ Also see idle