quixotic

(adjective)

adjective

1. related to the desire to do noble and romantic deeds, without thought of realism and practicality; idealistic and unrealistic.

- as quixotic as a fool in love

Similar word(s): impractical, romantic

2. like Don Quixote (a Spanish novel by Miguel de Cervantes Saavedra); romantic to extravagance; absurdly gallant and respectful.