1. Serving no useful purpose; having no excuse for being
   "otiose lines in a play"
   - pointless, purposeless, senseless, superfluous, wasted 
2. Producing no result or effect
   "an otiose undertaking"
   - futile, ineffectual, unavailing 
3. Disinclined to work or exertion
   - fainéant, indolent, lazy, slothful, work-shy

See also: idle, useless, worthless

• young-begetting
• younger
• youngish
• youngling
• youngness
• youngster
• Youngstown
• younker
• your
• yours
• yours sincerely
• yours truly
• yourself
• yourselves
• yous
• youse
• youth
• youth crusade
• youth culture
• youth gang
• youth hostel
• youth movement
• youth subculture
• youth-on-age
• youthful