PERFIDY

perfidy (p<<schwa>>r-f<<schwa>>-dee).Int’l law. A combatant’s conduct that creates the impression that an adversary is entitled to, or is obliged to accord, protection under international law, when in fact the conduct is a ruse to gain an advantage. • Acts of perfidy include feigning an intent to negotiate under a flag of truce, or feigning protected status by using signs, emblems, or uniforms of the United Nations or of a neutral country.

[Blacks Law 8th]