formala very large group of people, especially the public in general:
This war is another example of the few sacrificing their lives for the many.
➔ in as many words
at word1GRAMMAR GRAMMAR Many is used mainly in questions and negative sentences• Were there many people at the party? • There weren't many people at the party. In other sentences, phrases like a lot of and plenty of are used instead• Slovakia has a lot of small towns (NOT Slovakia has many small towns). However, many can be used in formal English• Many politicians expressed concern about the high level of defence spending.Many can also be used after too, so, and as• There are too many mistakes in this work. • I didn't realize I had so many friends. • Bring as many people as you want.!! Do not use 'and' after many and before an adjective• There are not many interesting Sunday newspapers (NOT There are not many and interesting Sunday newspapers).
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.