2
imprudent(silly, foolish, fantastic, unwise, impractical)
2
ineffectual(weak, stupid, idle, useless, incompetent)
2
irrational(silly, foolish, unwise)
2
nonviable(adjective, wild, unreasonable, useless, absurd)
2
not applicable(expression, adjective, silly, impractical, unreal)
2
otherworldly(adjective, wild, unreasonable, useless, absurd)
2
out of the question(adjective, idiom, possible, impossible, impracticable)
2
outlandish(silly, foolish, unwise)
2
outrageous(silly, foolish, fantastic, unwise, impractical)
2
unlikely(adjective, idealistic, improbable)
2
unproductive(adjective, weak, stupid, idle, useless)
2
vain(weak, stupid, idle, useless, incompetent)
1
abortive(weak, stupid, idle, useless, incompetent)
1
bad
1
balmy(silly, foolish, fantastic, unwise, impractical)
1
beyond(adjective, impossible)
1
beyond all reason(expression, idiom, silly, foolish, fantastic)
1
beyond one
1
bizarre(silly, foolish, fantastic, unwise, impractical)
1
broken
10 years ago|6.9k views|share |citing 
APASmart Define. (2016). unworkable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unworkable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unworkable thesaurus" https://smartdefine.org/unworkable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unworkable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unworkable/thesaurus/synonyms>.
MLASmart Define. "unworkable thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/unworkable/thesaurus/synonyms>