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index

[ in-deks ]
/ ˈɪn dɛks /
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See synonyms for: index / indexed / indices on Thesaurus.com

noun, plural in·dex·es, in·di·ces [in-duh-seez]. /ˈɪn dəˌsiz/.
verb (used with object)
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Origin of index

First recorded in 1350–1400; Middle English, from Latin: “informer, pointer,” equivalent to in-in-2 + -dec- (combining form of dic-, “show, declare, indicate,” akin to teach;see indicate) + -s nominative singular ending;

OTHER WORDS FROM index

WORDS THAT MAY BE CONFUSED WITH index

appendix, index , supplement
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use index in a sentence

British Dictionary definitions for index

index
/ (ˈɪndɛks) /

noun plural -dexes or -dices (-dɪˌsiːz)
verb (tr)

Derived forms of index

indexer, nounindexless, adjective

Word Origin for index

C16: from Latin: pointer, hence forefinger, title, index, from indicāre to disclose, show; see indicate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for index

index
[ ĭndĕks′ ]

n. pl. in•dex•es
A guide, standard, indicator, symbol, or number indicating the relation of one part or thing to another in respect to size, capacity, or function.
A core or mold used to record or maintain the relative position of a tooth or teeth to one another or to a cast.
A guide, usually made of plaster, used to reposition teeth, casts, or parts.
The index finger.

Other words from index

index′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Cultural definitions for index

index

An alphabetical list of subjects treated in a book. It usually appears at the end of the book and identifies page numbers on which information about each subject appears.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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