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"
a bomb that has a detonating mechanism that can be set to go off at a particular time
a problematic situation that will eventually become dangerous if not addressed; "India is a demographic time bomb"; "the refugee camp is a ticking bomb waiting to go off"
strange in an interesting or pleasing way; "quaint dialect words"; "quaint streets of New Orleans, that most foreign of American cities"
very strange or unusual; odd or even incongruous in character or appearance; "the head terminating in the quaint duck bill which gives the animal its vernacular name"- Bill Beatty; "came forth a quaint and fearful sight"- Sir Walter Scott; "a quaint sense of humor"