4
inappropriate(silly, foolish, unreasonable, fantastic, unwise)
4
indefensible(adjective, defended, verbal attack)
4
indelicate(adjective, offensive, rude, careless, coarse)
4
invaluable(adjective, expensive, steep, high-priced, costly)
4
kooky(adjective, silly, foolish, unwise)
4
laughable(adjective, ridiculous)
4
nauseous
4
nutty(adjective, silly, foolish, unwise, preposterous)
4
overmuch(adjective, offensive, unreasonable, extravagant, ridiculous)
4
pornographic
4
presumptuous(adjective, rude, corrupt, bold, improper)
4
prodigious(adjective, superb, wonderful, marvelous, fantastic)
4
profligate(adjective, rough, rude, foolish, corrupt)
4
prohibitive(adjective, expensive, high-priced, pricey, pricely)
4
queer
4
scatological
4
sickening(adjective, bad, blue, nasty, offensive)
4
smutty
4
uneconomical(adjective, expensive, steep, high-priced, costly)
4
unheard-of
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APASmart Define. (2015). outrageous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/outrageous/thesaurus/synonyms
ChicagoSmart Define. 2015. "outrageous thesaurus" https://smartdefine.org/outrageous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, outrageous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/outrageous/thesaurus/synonyms>.
MLASmart Define. "outrageous thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/outrageous/thesaurus/synonyms>