keyword

or key word

[ kee-wurd ]
/ ˈkiˌwɜrd /

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.”

QUIZZES

DIVE INTO THIS BALMY SUMMERTIME SPELLING QUIZ

Do you often fall under the spell of the summer season? See if you can really spell your way through it with this quiz of popular summertime words.
Question 1 of 12

Origin of keyword

First recorded in 1855–60; key1 + word
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for keyword

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