a bewildering profusion; "the duties of citizenship are lost sight of in the wilderness of interests of individuals and groups"; "a wilderness of masts in the harbor"
a wild and uninhabited area left in its natural condition; "it was a wilderness preserved for the hawks and mountaineers"
a wooded region in northeastern Virginia near Spotsylvania where inconclusive battles were fought in the American Civil War
(politics) a state of disfavor; "he led the Democratic party back from the wilderness"
any of the more or less continuous military expeditions in the 11th to 13th centuries when Christian powers of Europe tried to recapture the Holy Land from the Muslims
go on a crusade; fight a holy war
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for; "The liberal party pushed for reforms"; "She is crusading for women's rights"; "The Dean is pushing for his favorite candidate"