1. people who avoid work or activity; lazy people
2. mechanical parts that guide or support moving components without transmitting power
Usage: mechanical engineering

Examples

• The manager fired several idlers who spent their days chatting instead of working.
• She considered the group of teenagers hanging around the mall to be idlers.
• The factory owner had no patience for idlers during busy production periods.
• The belt system uses idlers to maintain proper tension and alignment.
• The mechanic replaced the worn idlers in the conveyor system.
• Without functioning idlers, the machinery would not operate smoothly.