251 entries under adjective topic. ×

5
extravagant(happy, tender, perfect, fantastic)
5
inadequate(useless, unfit, hopeless, unusable)
5
inoperable(unreasonable, hopeless, unrealistic, unworkable)
5
optimistic(person, good feelings)
5
ridiculous(silly, foolish, stupid, half-baked)
5
unsuitable(useless, unfit)
4
Laputan
4
frivolous(silly, foolish, stupid, trivial)
4
half-baked(silly, stupid, impulsive, unlikely)
4
hypothetical
4
illogical(unreasonable, unrealistic, unpractical, unviable)
4
improbable(silly, unreasonable, unlikely, unrealistic)
4
inapplicable(unreasonable, useless, unfit, unrealistic)
4
inappropriate(useless, unfit, half-baked, doomed)
4
incompetent(weak, stupid, idle, useless)
4
ivory-tower(silly, unreasonable, thrive, unlikely)
4
notional
4
pointless(silly, foolish, stupid, idle)
4
unachievable(unreasonable, useless, absurd, hopeless)
4
unnegotiable(used, impracticable)
10 years ago|12k views|share |citing 
APASmart Define. (2016). impractical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impractical/thesaurus/synonyms
ChicagoSmart Define. 2016. "impractical thesaurus" https://smartdefine.org/impractical/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, impractical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impractical/thesaurus/synonyms>.
MLASmart Define. "impractical thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/impractical/thesaurus/synonyms>