(derogatory) Excessive patriotism, eagerness for national superiority; jingoism.
(C. S.) Lewis occasionally expressed a somewhat tongue-in-cheek chauvinism towards the English. Describing an encounter with a fellow Irishman, he wrote: "Like all Irish people who meet in England, we ended by criticisms on the invincible flippancy and dullness of the Anglo-Saxon race.
(derogatory) Unwarranted bias, favoritism, or devotion to one's own particular group, cause, or idea.
Feminists say that male chauvinism is still prevalent in cultures worldwide.