nocturnal
adjective /nɒkˈtɜːnl/
/nɑːkˈtɜːrnl/
- (of animals) active at night
- owls and other nocturnal creatures
- These animals are strictly nocturnal.
- These insects are largely nocturnal.
- (formal) happening during the night
- a nocturnal visit
Word Originlate 15th cent.: from late Latin nocturnalis, from Latin nocturnus ‘of the night’, from nox, noct- ‘night’.