noun🔗ShareA person or creature that is active at night."The nocturnal is a time when many animals are most active. "animalpersonnatureorganismbiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA device for telling the time at night, rather like a sundial but read according to the stars."The astronomer used the nocturnal to determine the exact time of the night for his stargazing project. "astronomydevicetimeChat with AIVocabulary GamePractice Reading
adjective🔗Share(of a person, creature, group, or species) Primarily active during the night."nocturnal birds"animalbiologynatureenvironmentorganismChat with AIVocabulary GamePractice Reading
adjective🔗Share(of an occurrence) Taking place at night, nightly."a suspicious nocturnal outing"timenatureanimalbiologyenvironmentChat with AIVocabulary GamePractice Reading
