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

See also: unfair, unjust

• inapt
• inaptitude
• inaptness
• inarguable
• inarticulate
• inarticulately
• inarticulateness
• inartistic
• inasmuch
• inattention
• inattentive
• inattentively
• inattentiveness
• inaudibility
• inaudible
• inaudibleness
• inaudibly
• inaugural
• inaugural address
• inaugurally
• inaugurate
• inauguration
• Inauguration Day
• inauspicious
• inauspiciously