NOCTURNAL


Meaning of NOCTURNAL in English

■ adjective done, occurring, or active at night.

Derivatives

~ly adverb

Origin

C15: from late L. ~is , from L. nocturnus 'of the night', from nox, noct- 'night'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.