The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or keyword).

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INDEX meaning: 1. an alphabetical list, such as one printed at the back of a book showing which page a subject…. Learn more.

May 18, 2025 · An index measures the performance of a basket of securities intended to replicate a certain area of the market such as the Standard & Poor's 500.

If you index a book or a collection of information, you make an alphabetical list of the items in it.

Jul 26, 2025 · "Index" refers to an organized system for listing or measuring information. Its diverse applications make it an indispensable tool in literature, economics, and technology.

(in a printed work) an alphabetical listing of names and topics with the numbers of the pages on which they are discussed: An index is usually at the back of a book.