3
useless(adjective, unreasonable, impossible, unpractical, unfeasible)
2
futile(adjective, impossible)
2
inoperable(unreasonable, unpractical, unviable)
2
romantic(adjective, unreasonable, unpractical, unviable)
2
unimaginable(adjective, impossible)
2
unobtainable(adjective, impossible)
1
beyond(adjective, impossible)
1
beyond one
1
chimerical(adjective, unreasonable, unpractical, unviable)
1
drowning
1
fanciful
1
fantastic
1
idealistic(adjective, unreasonable, unpractical, unviable)
1
illogical(adjective, unreasonable, unpractical, unviable)
1
impervious(adjective, impossible)
1
insuperable
1
irrealizable(adjective, impossible)
1
out of the question(adjective, idiom, possible, impossible)
1
ridiculous
1
starry-eyed(adjective, unreasonable, unpractical, unviable)
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). unrealizable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unrealizable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrealizable thesaurus" https://smartdefine.org/unrealizable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unrealizable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unrealizable/thesaurus/synonyms>.
MLASmart Define. "unrealizable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unrealizable/thesaurus/synonyms>