1. Violating accepted standards or rules
   "fined for unsportsmanlike behaviour"
   - cheating, dirty, foul, unsporting

See also: unfair, unjust

• stirk
• stirps
• stirred
• stirred up
• stirrer
• stirring
• stirringly
• stirrup
• stirrup bone
• stirrup cup
• stirrup iron
• stirrup pump
• stirrup-shaped
• stitch
• stitched
• stitcher
• stitchery
• stitching
• stitchwort
• stithy
• stiver
• Stizidae
• Stizolobium
• Stizolobium deeringiana
• Stizostedion