Quixotism
Pronunciation : Quix"ot*ism
Part of Speech : n.
Definition : Defn: That form of delusion which leads to extravagant and absurd undertakings or sacrifices in obedience to a morbidly romantic ideal of duty or honor, as illustrated by the exploits of Don Quixote in knight-errantry.
Source : Webster's Unabridged Dictionary, 1913