- 1index something to make an index of documents, the contents of a book, etc.; to add something to a list of this type All publications are indexed by subject and title. New material is scanned, indexed and stored electronically.
- 2[usually passive] index something (to something) to link pay, etc. to the level of prices of food, clothing, etc. so that they both increase at the same rate
NAmE//ˈɪndɛks//Verb Forms present simple I / you / we / they index
he / she / it indexes
past simple indexed
-ing form indexing