1. Not based on reason
   "there is a great deal that is nonrational in modern culture" 
2. Obtained through intuition rather than from reasoning or observation
   - intuitive, visceral

See also: illogical, irrational, unlogical

• scuba
• scuba diver
• scuba diving
• scud
• scudding
• scudo
• scuff
• scuffer
• scuffle
• scuffle hoe
• scull
• sculler
• scullery
• sculling
• scullion
• sculp
• sculpin
• sculpt
• sculpted
• sculptor
• sculptress
• sculptural
• sculptural relief
• sculpture
• sculptured