retardverb/ʁɨtɐɾˈdaɾ/mediumre·tar·darPortuguesEnglishEspanolFrancaisDefinitionTo make slower; to cause something to happen later than expected.Bad weather served to retard the plane's departure.Bureaucracy tends to retard the completion of projects.syndelayslow downpostponeantaccelerateadvancehastenCommon collocationsretard the processretard the clockretard developmentEtymologyDo latim 'retardare', de 'tardus' (tarde).Related wordsretardoretardadoretardamentoretardatário