decapitate v. + Add to list US //diˈkæpəˌteɪt// UK //dɪkˈæpɪtˌeɪt// de·cap·i·tate SynonymsEtymology Synonyms beheaddecollateOriginLA-LATdecapitare→FRAdécapiter→ENdecapitate From French décapiter, from Late Latin decapitare, from de- + caput.