Synonyms of impractical

1 Syllable

maer, wild

2 Syllables

dreamy, loco, scrapper, moony, abstract, unreal, absurd, moonstruck, no-go, no-way, dreamier, noway

3 Syllables

frivolous, theoretic, light-minded, nonserious, insane, quixotic, romantic, resultless, utopian, half-baked, short-sighted, useless, shortsighted, near-sighted, fairy-tale, unwise, starry-eyed, futile, nonviable

4 Syllables

inutile, schizophrenic, illogical, chimerical, visionary, impossible, unusable, unavailing, doctrinaire, pie-in-the-sky, ideational, improbable, idealistic, fairytale, unsagacious, unrealistic, theoretical, nonfunctional, unworkable, infeasible, unfunctional, unusuable, unfeasible, otherworldly

5 Syllables

irrealizable, unnegotiable, speculative, inoperable, inapplicable, introvertive, unrealizable, ivory-tower, unattainable, impracticable, inefficacious, unserviceable

6 Syllables

phantasmagorical, unbusinesslike