mercilessadjectivemasculine/feminine/ĩpjɨˈdozu/mediumim·pie·do·soPortuguesEnglishEspanolFrancaisDefinitionShowing no mercy; cruel, inhuman.The dictator was a merciless ruler.The criticism was merciless towards the young author.syncruelruthlesspitilessantmercifulcompassionatepityingCommon collocationsmerciless criticismmerciless attackmerciless rivalmerciless sunEtymologyDerivado de 'piedade' com prefixo negativo 'im-'.Related wordspiedadepiedosoimpiedade