Define many. many synonyms, many pronunciation, many translation, English dictionary definition of many. adj. more , most 1. Amounting to or consisting of a large indefinite number: many friends. 2. Being one of a large indefinite number; numerous: many a. Explore the definition of the word many, as well as its versatile usage, synonyms, examples, etymology, and more. Sell more, engage better, and grow your audience with powerful automations for Instagram, WhatsApp, TikTok, and Messenger. Learn the meaning and correct usage of many. Our guide provides clear grammar rules and real-world examples from authoritative sources to help you write with confidence. The meaning of MANY is consisting of or amounting to a large but indefinite number. How to use many in a sentence. MANY definition: constituting or forming a large number; numerous. See examples of many used in a sentence. MANY definition: 1. used mainly in negative sentences and questions and with too , so , and as to mean a large…. Learn more. Find 74 different ways to say MANY, along with antonyms, related words, and example sentences at Thesaurus.com. Learn what many means with clear definitions, pronunciation, synonyms, and real-world examples. Simple explanations to help you use many correctly. 4 meanings: 1. a. a large number of b. (as pronoun; functioning as plural) 2. each of a considerable number of 3. a. a great. Click for more definitions.