Synonyms|443Antonyms|179|Broader|9Narrower|11Related|1.8k

38 entries under extreme topic. ×

19
unlawful(adjective, law, wrong, corrupt, vicious)
15
wrongful(adjective, law, evil, irregular)
8
improper(adjective, unreasonable, dishonest, stiff)
4
unjust(adjective, unreasonable, improper, stiff)
3
undue(adjective, improper, senseless, excessive)
2
unfair(adjective, unreasonable, improper, stiff)
2
unreasonable(adjective, improper, stiff, extravagant)
2
unwarrantable(adjective, irregular, improper, extravagant)
2
unwarranted(irregular, improper, senseless, excessive)
1
absonant(adjective, unreasonable, improper, stiff)
1
arbitrary(adjective, unreasonable, improper, stiff)
1
costing an arm and a leg(expression, adjective, idiom, improper)
1
dear(adjective, unreasonable, improper, stiff)
1
far-out(adjective, unreasonable, improper, stiff)
1
intemperate(adjective, unreasonable, improper, stiff)
1
out of bounds(expression, adjective, idiom, improper)
1
overkill(adjective, unreasonable, improper, stiff)
1
peremptory(adjective, unreasonable, improper, stiff)
1
posh(adjective, unreasonable, improper, stiff)
1
pricey(adjective, unreasonable, improper, stiff)
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APASmart Define. (2015). illegitimate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/illegitimate/thesaurus/synonyms
ChicagoSmart Define. 2015. "illegitimate thesaurus" https://smartdefine.org/illegitimate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, illegitimate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/illegitimate/thesaurus/synonyms>.
MLASmart Define. "illegitimate thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/illegitimate/thesaurus/synonyms>