Idle superl. : Of no account; useless; vain; trifling; unprofitable; thoughtless; silly; barren.

Idle superl. : Not called into active service; not turned to appropriate use; unemployed; as, idle hours.

Idle superl. : Not employed; unoccupied with business; inactive; doing nothing; as, idle workmen.

Idle superl. : Given rest and ease; averse to labor or employment; lazy; slothful; as, an idle fellow.

Idle superl. : Light-headed; foolish.

Idle v. i. : To lose or spend time in inaction, or without being employed in business.

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

Example:
How much does Idle control valve affect Idle? I put new one and still Idles rough.

Taxonomy
doing nothing, free encyclopedia, In Praise of Idleness, the virtues, dependent, cultural norms, search, lack of motion, energy, describing a person, John Smith, idle person, relative importance, idly, passing, application, tickover, objective statement.

Defination from the web:
idle, it is an objective statement regarding its current state. ... Such a view is reflected in the proverb "an idle mind is the devil's workshop" ... The state of being idle is sometimes even celebrated with a few books on the subject of Idleness. ...