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

• send for
• send in
• send on
• send out
• send packing
• send word
• send-off
• sendee
• sender
• Sendero Luminoso
• sending
• sendup
• sene
• Seneca
• Seneca Lake
• Seneca snakeroot
• Senecan
• Senecio
• Senecio aureus
• Senecio bigelovii
• Senecio cineraria
• Senecio cruentus
• Senecio doublasii
• Senecio glabellus
• Senecio jacobaea