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

See also: unhealthful

• school of nursing
• school of thought
• school paper
• school phobia
• school principal
• school ship
• school superintendent
• school system
• school term
• school text
• school year
• school-age child
• schoolbag
• schoolbook
• schoolboy
• schoolboyish
• schoolchild
• Schoolcraft
• schooldays
• schoolfellow
• schoolfriend
• schoolgirl
• schoolgirlish
• schoolhouse
• schoolie