cool downverb/iʃfɾiˈaɾ/mediumes·fri·arPortuguesEnglishEspanolFrancaisDefinitionTo become or make something cooler; to lose heat.Let the soup cool down before you eat it.The weather started to cool down in the evening.synchillcool offantheat upwarm upCommon collocationscool down foodcool down the roomlet it cool downIdiomatic expressionscool down one's temper (to calm down)EtymologyDo latim 'exfrigidare', de 'ex-' + 'frigidus' (frio).Related wordsfrioesfriamentorefrescararrefecer