An act of betrayal is a malicious and intentional act of disloyalty or treachery. TREASON, a seven-letter word, is the most serious form of betrayal, as it involves betraying one's country or government. Hodge, a five-letter word, is an archaic term for a traitor or betrayer. Judaskiss, a nine-letter word, is a metaphor for a kiss of betrayal, referring to the kiss Judas Iscariot gave Jesus before his arrest. DOUBLECROSS, an eleven-letter word, is a slang term for a deliberate act of betrayal or deception.