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Meaning of triumphalism

tri•um•phal•ism

Pronunciation: (trī-um'fu-liz"um), [key]
— n.
  1. triumphant spirit or character.
  2. the attitude or practices of a church that seeks a position of power and dominance in the world. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.