What is the difference between double-crossed and double crossed?

"Double-crossed" is the past tense and past participle form of the verb "double-cross," meaning to betray or deceive someone, often after gaining their trust. "Double-crossed" typically describes an action that has already occurred. In contrast, "double-crossed" can also be used as an adjective to describe a person or situation that has been subjected to betrayal. Essentially, both terms relate to betrayal, but their usage depends on grammatical context.