crusade

noun

  1. 1

    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

    he supported populist campaigns

    they worked in the cause of world peace

  2. 2

    a series of actions advancing a principle or tending toward a particular end

    he supported populist campaigns

    they worked in the cause of world peace

verb

  1. 1

    go on a crusade; fight a holy war

  2. 2

    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

Synonyms

Also useful for “crusade”:Unscrambler