[{"Bold_text": "adjective", "List Items": ["not working or active; unemployed; doing nothing:idle workers.Synonyms: sluggish Antonyms: industrious , busy", "not spent or filled with activity:idle hours.", "not in use or operation; not kept busy:idle machinery.", "habitually doing nothing or avoiding work; lazy.", "of no real worth, importance, or significance:idle talk.Synonyms: trifling , trivial , worthless Antonyms: worthwhile , important", "having no basis or reason; baseless; groundless:idle fears.", "frivolous; vain:idle pleasures.Synonyms: wasteful", "meaningless; senseless:idle threats.", "futile; unavailing:idle rage."]}, {"Bold_text": "verb (used without object)", "List Items": ["to pass time doing nothing.", "to move, loiter, or saunter aimlessly:to idle along the avenue.", "(of a machine, engine, or mechanism) to operate at a low speed, disengaged from the load."]}, {"Bold_text": "verb (used with object)", "List Items": ["to pass (time) doing nothing (often followed byaway):to idle away the afternoon.Synonyms: waste", "to cause (a person) to be idle:The strike idled many workers.", "to cause (a machine, engine, or mechanism) to idle:I waited in the car while idling the engine."]}, {"Bold_text": "noun", "List Items": ["the state or quality of being idle.", "the state of a machine, engine, or mechanism that is idling:a cold engine that stalls at idle."]}]