Definitions:

1. lacking a sense of restraint or responsibility adjective
   • idle talk
2. not having a job adjective
   • idle carpenters
3. not in action or at work adjective
   • an idle laborer
4. not in active use adjective
   • the machinery sat idle during the strike
5. silly or trivial adjective
   • idle pleasure
6. the state of an engine or other mechanism that is idling noun
   • the car engine was running at idle

Synonyms:

• dead
• jobless
• light
• loose
• out of work
• slug
• tick over
• unused
• wild

NearBy Words:

• idleness
• idler