adj.
- Lazy; indolent.
- Of no use.
- Ineffective; futile. See synonyms at vain.
[Latin ōtiōsus, idle, from ōtium, leisure.]
otiosely o'ti·ose'ly adv.otiosity o'ti·os'i·ty (-ŏs'ĭ-tē) n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.