1. (superl.) of no account; useless; vain; trifling; unprofitable; thoughtless; silly; barren.

2. (superl.) Not called into active service; not turned to appropriate use; unemployed; as, idle hours.

3. (superl.) Not employed; unoccupied with business; inactive; doing nothing; as, idle workmen.

4. (superl.) Given rest and ease; averse to labor or employment; lazy; slothful; as, an idle fellow.

5. (superl.) Light-headed; foolish.

6. (v. i.) To lose or spend time in inaction, or without being employed in business.

7. (v. t.) To spend in idleness; to waste; to consume; -- often followed by away; as, to idle away an hour a day.