crusade

IPA: krusˈeɪd

(historical) Any of the Papally-endorsed military expeditions undertaken by the Christians of Latin Europe in the 11th to 13th centuries to reconquer the Levant from the Muslims, as well as expeditions along the Baltic Sea and against the Cathars.
Any war instigated and blessed by the Church for alleged religious ends, (especially) papal-sanctioned military campaigns against infidels or heretics.
(figuratively) A grand concerted effort toward some purportedly worthy cause.
(politics, Protestantism, dated) A mass gathering in a political campaign or during a religious revival effort.
(archaic) A Portuguese coin; a crusado.
Any of a series of religious campaigns by Christian forces from the 11th to the 13th century, mostly to capture the Holy Land from the Muslims who occupied it.

(intransitive) To go on a military crusade.
(intransitive) To make a grand concerted effort toward some purportedly worthy cause.

Examples of "crusade" in Sentences

The physicians study crusades.
The school mascot is the Crusader.
The county was active in the crusades.
It aims to recapitulate the First Crusade.
The Ferengi were the Crusaders of Christendom.
A hermit waits for the arrival of the crusaders.
It was the final battle of the Crusade of Varna.
Sigismund was nominally in charge of the crusade.
Looks at the way Crusades lead to First Crusade leads to Godfrey of Bouillon.
Social crusader Anna Hazare inaugurated the office of his anti corruption movement.