The meaning of NOCTURNAL is of, relating to, or occurring in the night. How to use nocturnal in a sentence.

NOCTURNAL definition: 1. being active or happening at night rather than during the day: 2. of the night, or relating to…. Learn more.

Nocturnal means occurring at night. ...long nocturnal walks. ...the immensity of the nocturnal sky.

Definition of nocturnal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Occurring at night. 2. Most active at night. Many animals, such as owls and bats, are nocturnal. Compare diurnal. 3. Having flowers that open during the night and close at daylight. Nocturnal plants …

nocturnal, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Dec 24, 2025 · nocturnal (comparative more nocturnal, superlative most nocturnal) (of a person, creature, group, or species) Primarily active during the night. Many of these classic methods are still …