Synonyms|28Antonyms|4|Broader|0Narrower|0Related|19
2
absurd
2
barred
2
excluded
2
hopeless
2
impossible
2
inconceivable
2
paradoxical
2
preposterous
2
prohibited
2
ridiculous
2
self-contradictory
2
unimaginable
2
unthinkable
1
could not
1
unachievable
0
contrary
0
improbable
0
incredible
0
possibility
0
prodigious
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APASmart Define. (2015). not possible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/not_possible/thesaurus/synonyms
ChicagoSmart Define. 2015. "not possible thesaurus" https://smartdefine.org/not_possible/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, not possible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/not_possible/thesaurus/synonyms>.
MLASmart Define. "not possible thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/not_possible/thesaurus/synonyms>