4
unreal(adjective, illusion, unreality, unrealism)
4
unrealizable(adjective, impossibility, impracticability, unfeasibility)
4
unsubstantial(adjective, illusion, unreality, unrealism)
4
vaporous(adjective, illusion, unreality, unrealism)
3
contrasted(adjective, lie, falsehood, untruth, unrealism)
3
contrasting(adjective, lie, falsehood, untruth, unrealism)
3
different(adjective, lie, falsehood, untruth, unrealism)
3
disparate(adjective, lie, falsehood, untruth, unrealism)
3
dissimilar(adjective, lie, falsehood, untruth, unrealism)
3
incomparable(adjective, lie, falsehood, untruth, unrealism)
3
nonnatural(adjective, lie, falsehood, untruth, unrealism)
3
off(adjective, lie, falsehood, untruth, unrealism)
3
surreal
3
unalike(adjective, lie, falsehood, untruth, unrealism)
3
unlike(adjective, lie, falsehood, untruth, unrealism)
3
unmatched(adjective, lie, falsehood, untruth, unrealism)
2
sappy(adjective, foolish, serious, sentimental)
2
phoney(adjective, lie, falsehood, untruth, unrealism)
1
crazy(adjective, calm, sound, strange, fantastic)
1
false
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APASmart Define. (2016). realistic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/realistic/thesaurus/antonyms
ChicagoSmart Define. 2016. "realistic thesaurus" https://smartdefine.org/realistic/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, realistic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/realistic/thesaurus/antonyms>.
MLASmart Define. "realistic thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/realistic/thesaurus/antonyms>