Definition: 1. resembling or befitting Don Quixote. 2. extravagantly romantic or chivalrous; visionary, impractical or impracticable. 3. impulsive and often rashly unpredictable.
Pronounced: kwik-sot-ik
History/Origin: "extravagantly chivalrous," 1791, from Don Quixote, romantic, impractical hero of Cervantes' satirical novel "Don Quixote de la Mancha" (1605). His name lit. means "thigh," also "a cuisse" (a piece of armor for the thigh), in Mod.Sp. quijote, from L. coxa "hip."
Used in sentence: The lovely damsel dumped her sickeningly quixotic wooer and ran off with the court jester.
Here's a vid to help say it with a little cartoon aswel :) Enjoy!!