key word

noun

: a word that is a key: such as
a
usually keyword : a significant word from a title or document used especially as an index to content
b
: a word exemplifying the meaning or value of a letter or symbol

Examples of key word in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rigidity Is The New Enemy Of B2B Marketing Rigidity is the key word here. Nikos Lemanis, Forbes.com, 18 July 2025 The key words and the message belong to Christian believers from the third century. Melonee Hurt, The Tennessean, 15 July 2025 If the Red Sox and Twins decide to sell — again, if is the key word there — a pair of relevant names would be Rob Refsnyder and Willi Castro. Patrick Mooney, New York Times, 11 July 2025 Glassy is the key word, of course, suggesting that the new tone has been retooled to fit with the Liquid Glass design of Apple’s new software. David Phelan, Forbes.com, 21 June 2025 See All Example Sentences for key word

Word History

First Known Use

1762, in the meaning defined above

Time Traveler
The first known use of key word was in 1762

Browse Nearby Words

Cite this Entry

“Key word.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/key%20word. Accessed 25 Jul. 2025.

Kids Definition

keyword

noun
key·​word
-ˌwərd
: a word of interest or significance
Last Updated: - Updated example sentences
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