Simple past tense and past participle of decapitate.(verb)
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Use "decapitated" in a sentence
"All our big fellows have been "decapitated" - & good & a good many fellback into ranks."
"He spun, blocking an axe with the scabbard while the long sword decapitated a lich with a cutlass."
"But soon enough, Lucy begins to hear and see things – such as decapitated heads laying next to her in bed and nursery rhymes about her actions years ago."