crusade
Americannoun
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Often Crusade any of the military expeditions undertaken by the Christians of Europe in the 11th, 12th, and 13th centuries for the recovery of the Holy Land from the Muslims.
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any war carried on under papal sanction.
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any vigorous, aggressive movement for the defense or advancement of an idea, cause, etc..
a crusade against child abuse.
verb (used without object)
noun
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(often capital) any of the military expeditions undertaken in the 11th, 12th, and 13th centuries by the Christian powers of Europe to recapture the Holy Land from the Muslims
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(formerly) any holy war undertaken on behalf of a religious cause
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a vigorous and dedicated action or movement in favour of a cause
verb
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to campaign vigorously for something
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to go on a crusade
Other Word Forms
- crusader noun
- noncrusading adjective
- post-Crusade adjective
- pre-Crusade adjective
Etymology
Origin of crusade
First recorded in 1570–80; earlier crusada, from Spanish cruzada; replacing croisade, from Middle French. See cross, -ade 1
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.
This dissent marked an escalation in Jackson’s crusade against shadow docket abuses.
From Slate • Mar. 17, 2026
Weinstein has been on a crusade against managers of closed-end mutual funds, including BlackRock which, like the Blue Owl funds, limit investors’ ability to take their money out.
From The Wall Street Journal • Feb. 20, 2026
Brought alongside six other high-profile figures, including pop icon Elton John and his husband David Furnish, it is the prince's last active legal case in his long-running crusade against the British media.
From Barron's • Jan. 21, 2026
The movie’s moxie makes it impossible not to get caught up in Marty’s crusade.
From Los Angeles Times • Dec. 23, 2025
The Andrews case became the basis for a legal and medical crusade.
From "In Cold Blood" by Truman Capote
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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.