Multiple choice Directions: Select the nearest meaning of the word from the options. Perfidy Completion Treachery Doubt Sadness Reveal answer Fill a bubble to check yourself B Correct answer Explanation Perfidy means treachery or betrayal of trust/faith. It comes from the same root as perfidious. 'Completion' is finishing, 'Doubt' is uncertainty, and 'Sadness' is sorrow - only treachery captures the act of betrayal.