cheating cheating /ˈtʃiːtɪŋ/

adjective

1. Violating accepted standards or rules  ( cheating , dirty , unsporting , foul , unsportsmanlike )
   violating accepted standards or rules
    A dirty fighter
   a dirty fighter
    Used foul means to gain power
   used foul means to gain power
    A nasty unsporting serve
   a nasty unsporting serve
    Fined for unsportsmanlike behavior
   fined for unsportsmanlike behavior
   
2. Not faithful to a spouse or lover  ( adulterous , cheating , two-timing )
   not faithful to a spouse or lover
    Adulterous husbands and wives
   adulterous husbands and wives
    A two-timing boyfriend
   a two-timing boyfriend
   

noun

1. A deception for profit to yourself  ( cheat , cheating )
   a deception for profit to yourself