Synonyms of infeasible

1 Syllable
wild
2 Syllables
abstract, unreal, absurd, no-go, no-way, noway
3 Syllables
quixotic, romantic, useless, unwise, starry-eyed, nonviable
4 Syllables
illogical, chimerical, visionary, impossible, unusable, idealistic, improbable, impractical, nonfunctional, theoretical, unworkable, unfeasible, otherworldly
5 Syllables
unnegotiable, speculative, inoperable, inapplicable, ivory-tower, unattainable, impracticable, irrealizable, inefficacious, unserviceable, unrealizable
6 Syllables
unbusinesslike