1. Not having a medicinal effect or not medically prescribed
   "he took mind-altering drugs for nonmedicinal reasons"
   - unmedicinal, unmedicative, unmedical

See also: unhealthful

• exteroceptive
• exteroceptor
• exterritorial
• extinct
• extinction
• extinction angle
• extinguish
• extinguishable
• extinguished
• extinguisher
• extinguishing
• extinguishment
• extirpable
• extirpate
• extirpation
• extol
• extoller
• extolment
• extort
• extortion
• extortionate
• extortionately
• extortioner
• extortionist
• extra