Found 2 items, similar to nocturnal.
English → English (WordNet) Definition: nocturnal nocturnal adj 1: belonging to or active during the night; “nocturnal animals are active at night”; “nocturnal plants have flowers that open at night and close by day” [ant: diurnal] 2: of or relating to or occurring in the night; “nocturnal darkness” 3: of or during or relating to the night; “a nocturnal journey”; “nocturnal stillness”; “nocturnal predators”
English → English (gcide) Definition: Nocturnal Nocturnal \Noc*tur"nal\, a. [L. nocturnalis, nocturnus, fr. nox, noctis, night. See Night, and cf. Nocturn.] 1. Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to diurnal. --Dryden. [1913 Webster] 2. Having a habit of seeking food or moving about at night; as, nocturnal birds and insects; raccoons are nocturnal.; -- of animals. [1913 Webster +PJC] Nocturnal \Noc*tur"nal\, n. An instrument formerly used for taking the altitude of the stars, etc., at sea. --I. Watts. [1913 Webster]