delude v. + Add to list US //dɪˈɫud// UK //dɪlˈuːd// de·lude Archaic SynonymsEtymology Synonyms cozendeceiveOriginLATdēlūdō→MEdeluden→ENdelude From Middle English deluden, borrowed from Latin dēlūdō (“mock, deceive”), from de + lūdō (“to make sport of, to mock”). See ludicrous.