Quixotic(adjective)
Extremely idealistic; unrealistic and impractical.
Hindi meaning:अवास्तविक
Synonyms: Idealistic, Visionary, Unrealistic
Antonyms: Practical, Pragmatic, Realistic
Example: Others existed only as working hypotheses, unrealized plans or quixotic fantasies.
Trick to remember: Maths quiz ekdum quixotic thi 
