knight errantry

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. quixotic (romantic and impractical) behavior (Freq. 1)
• Syn:
quixotism
• Hypernyms:
idealism
2. (Middle Ages) the code of conduct observed by a knight errant who is wandering in search of deeds of chivalry
• Topics:
Middle Ages, Dark Ages
• Hypernyms:
code of conduct, code of behavior