キーワードの定義と意味 | Dictionary.com

KEYWORD Definition & Meaning | Dictionary.com Synonyms keyword American [ kee -wurd] / ˈkiˌwɜrd / Or key word 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.” keyword British / 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 Etymology Origin of keyword First recorded in 1855–60; key 1 + word Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. In one test, participants listened to lists of related words that were connected by a theme, but the central keyword tying them together was never spoken. From Science Daily • Mar. 11, 2026 To succeed in these increasingly common AI video assessments, candidates should rehearse their responses, avoid keyword stuffing and try not to act like robots themselves, writes Ray A. Smith. From The Wall Street Journal • Feb. 20, 2026 "The company has also strengthened its keyword blacklist to further prevent attempted circumvention of product listing restrictions by sellers," said Shein. From BBC • Nov. 3, 2025 Web of Science data show publications mentioning MTurk as a keyword went from 34 in 2010 to a peak of 989 in 2021. From Science Magazine • May 9, 2024 The Pletts Cryptograph raised the bar because it combined two keyword ciphers. From "The Woman All Spies Fear" by Amy Butler Greenfield Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.