Nocturnal meaning: Definition of nocturnal adjective in

Definition of nocturnal adjective in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. NOCTURNAL definition : 1. being active or happening at night rather than during the day: 2. of the night , or relating to…. Learn more. Discover the meaning of ' nocturnal ', explore its usage in everyday language, popular idioms, and fun facts that make this word fascinating. Perfect for learners and curious minds! Nocturnal definition : of or relating to the night (diurnal ).. See examples of NOCTURNAL used in a sentence.