Reverse Dictionary: IMPRACTICAL

ADJECTIVES
► CRACKPOT crazily impractical → 1934 sl.
► WOOLLY-HEADED inclined to idealism and hopeful fantasy; impractical → 1883 Amer. sl.

NOUNS – PERSON
► BANANA an extremely impractical person → 1971 US students’ sl. (Bk.)
► LUFTMENSCH a person who indulges in impractical or unrealistic plans; an impractical dreamer → 1902 chiefly Jewish usage