crusade

[ kroo-seyd ]
/ kruˈseɪd /

noun

(often initial capital letter) 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.
any war carried on under papal sanction.
any vigorous, aggressive movement for the defense or advancement of an idea, cause, etc.: a crusade against child abuse.

verb (used without object), cru·sad·ed, cru·sad·ing.

to go on or engage in a crusade.

Origin of crusade

1570–80; earlier crusada < Spanish cruzada; replacing croisade < Middle French. See cross, -ade1

Related forms

cru·sad·er, nounnon·cru·sad·ing, adjectivepost-Cru·sade, adjectivepre-Cru·sade, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for crusader

British Dictionary definitions for crusader

crusade

/ (kruːˈseɪd) /

noun

(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
(formerly) any holy war undertaken on behalf of a religious cause
a vigorous and dedicated action or movement in favour of a cause

verb (intr)

to campaign vigorously for something
to go on a crusade

Derived Forms

crusader, noun

Word Origin for crusade

C16: from earlier croisade, from Old French crois cross, from Latin crux; influenced also by Spanish cruzada, from cruzar to take up the cross
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