Synonyms|26Antonyms|23|Broader|0Narrower|0Related|44
2
insoluble(adjective, unable, answered)
2
unsolvable(adjective, solved)
1
problematic(adjective, clear, open)
1
weighty(adjective, light, difficult, troublesome)
0
absurd
0
difficult
0
fantastic
0
hopeless
0
impossible
0
inexplicable
0
inextricable
0
insolvable
0
insuperable
0
knotty
0
outlandish
0
preposterous
0
ridiculous
0
thorny(adjective, difficult, problematic)
0
tricky(smooth, simple)
0
unconcluded
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APASmart Define. (2015). solvable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/solvable/thesaurus/antonyms
ChicagoSmart Define. 2015. "solvable thesaurus" https://smartdefine.org/solvable/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, solvable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/solvable/thesaurus/antonyms>.
MLASmart Define. "solvable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/solvable/thesaurus/antonyms>