81 entries under extreme topic. ×

17
undue(adjective, right, wrong, reasonable, false)
17
unreasonable(adjective, right, reasonable, extravagant)
16
unjustifiable(adjective, right, reasonable, unreasonable)
12
unconscionable(adjective, right, reasonable, unreasonable)
11
immoderate(adjective, unreasonable, improper, stiff)
11
inordinate(adjective, unreasonable, improper, stiff)
10
excessive(adjective, unreasonable, improper, stiff)
10
exorbitant(adjective, unreasonable, improper, stiff)
10
unwarrantable(adjective, right, reasonable, irregular)
9
extravagant(adjective, unreasonable, improper, ridiculous)
8
unfair(adjective, right, reasonable, improper)
8
unjust(adjective, right, reasonable, stiff)
7
improper(adjective, suitable, unreasonable, senseless)
5
extortionate(adjective, unreasonable, improper, stiff)
5
unlawful(unreasonable, irregular, improper, senseless)
4
intemperate(adjective, improper, senseless, excessive)
4
unnecessary(adjective, unreasonable, useless, improper)
4
unrestrained(adjective, excessive, immoderate, intemperate)
4
wrongful(irregular, improper, senseless, iniquitous)
3
disproportionate(adjective, improper, excessive, immoderate)
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APASmart Define. (2016). unwarranted thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unwarranted/thesaurus/synonyms
ChicagoSmart Define. 2016. "unwarranted thesaurus" https://smartdefine.org/unwarranted/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unwarranted thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unwarranted/thesaurus/synonyms>.
MLASmart Define. "unwarranted thesaurus" 11 January 2016. Web. 28 September 2026. <https://smartdefine.org/unwarranted/thesaurus/synonyms>