nocturnaladjectivemasculine/nuturnu/highno·tur·noPortuguesEnglishEspanolFrancaisDefinitionRelating to or belonging to the night; occurring or active during the night.Bats are nocturnal creatures.The city has a vibrant nocturnal life.synnocturnalnighttimeEtymologyDo latim 'nocturnus'.Related wordsnoitenoturnamentenoturnanoturnidade