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keyword

or key word

[ kee-wurd ]
/ ˈkiˌwɜrd /
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noun
a word that serves as a key, as to the meaning of another word, a sentence, passage, or the like.
a word used to encipher or decipher a cryptogram, as a pattern for a transposition procedure or the basis for a complex substitution.
Also called catchword. Library Science. a significant or memorable word or term in the title, abstract, or text of a document or other item being indexed, used as the index entry.
Digital Technology. a word used to classify or organize digital content, or to facilitate an online search for information: Search the database for the keyword “Ireland.”
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Origin of keyword

First recorded in 1855–60; key1 + word
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use keyword in a sentence

British Dictionary definitions for keyword

keyword
/ (ˈkiːˌwɜːd) /

noun
a word used as a key to a code
any significant word or phrase, esp a word used to describe the contents of a document
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
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