Idler, n.
1. One who idles; one who spends his time in inaction; a lazy person; a sluggard.
2. (Naut.)
One who has constant day duties on board ship, and keeps no regular watch. Totten.
3. (Mach.)
1 more senses
An idle wheel or pulley. See under Idle.
Shades of meaning
Fernald lists idler only as an antonym, under scholar.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given