(1):
(superl.) Not called into active service; not turned to appropriate use; unemployed; as, idle hours.
(2):
(superl.) Not employed; unoccupied with business; inactive; doing nothing; as, idle workmen.
(3):
(v. i.) To lose or spend time in inaction, or without being employed in business.
(4):
(superl.) Given rest and ease; averse to labor or employment; lazy; slothful; as, an idle fellow.
(5):
(superl.) Light-headed; foolish.
(6):
(superl.) Of no account; useless; vain; trifling; unprofitable; thoughtless; silly; barren.
(7):
(v. t.) To spend in idleness; to waste; to consume; - often followed by away; as, to idle away an hour a day.