Infidelity And Betrayal

noun unfair or dishonest behavior, especially in a game or sport

• The authorities are investigating the possibility of foul play in the suspicious death.
• I have a feeling there was some foul play involved in that game.
• I smell foul play in the air, something doesn't seem right.
• The politician's sudden change of heart raised suspicions of foul play among the public.

noun a person who deceives or betrays someone by pretending to be their friend

adjective describing someone who deceives or betrays others

• The company discovered that one of their employees was a two timer, having secretly worked for a competitor.
• I can't believe she's dating that two timer again, after what he did to her last time.
• Don't trust him, he's a total two timer when it comes to relationships.
• The politician was accused of being a two timer, promising one thing to the public and doing another behind closed doors.