Idler

Origin

idle + -er.

Full definition of idler

Noun

1. One who idles; one who spends his or her time in inaction.
2. One who idles; a lazy person; a sluggard.
3. (nautical, dated) Any member of a ship's crew who is not required to keep the night-watchOED 2nd edition 1989
4. A mechanical device such as a pulley or wheel that does not transmit power, but supports a moving belt etc.http://www.merriam-webster.com/dictionary/idler%20wheelhttp://www.merriam-webster.com/dictionary/idler+pulleyOED 2nd edition 1989

Synonyms

• footler
• lout

Adjective

1. idler

   (comparative of idle)

Anagrams

• riled