- to disillusion.
Also especially British, dis·il·lu·sion·ise.
Origin of disillusionize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for disillusionize
At any rate, he would have been unspeakably cruel to disillusionize her.
I am sorry to disillusionize you, but I don't care a fig for balls and garden-parties and salons.Mr. Crewe's Career, Complete