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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.”
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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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. 2021

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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