Learn the English definition and meaning of Brevity with examples, pronunciation, and translations to enhance your vocabulary. Definition of brevity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of BREVITY is shortness of duration; especially : shortness or conciseness of expression. How to use brevity in a sentence. BREVITY meaning: 1 : the quality of being brief: such as; 2 : the use of few words to say something