[verb] run disconnected or idle; "the engine is idling" Synonyms:tick over
[verb] be idle; exist in a changeless situation; "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; "an idle laborer"; "idle drifters"; "the idle rich"; "an idle mind"
[adjective] without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy" Synonyms:baseless, groundless, unfounded, unwarranted
[adjective] not in active use; "the machinery sat idle during the strike"; "idle hands" Synonyms:unused