Quixotism
WordNet
noun
(1) Quixotic (romantic and impractical) behavior
WiktionaryText
Noun
- 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.
- Quixotry.