623 entries under adjective topic. ×

8
raunchy(dull, blue, rough, nasty)
8
reprehensible(rude, wicked, shocking, indecent)
8
shameful(unreasonable, dishonest, inappropriate, indecent)
8
undue(wrong, suitable, inappropriate, excessive)
8
unreasonable(wrong, excessive, unwarranted, unacceptable)
8
unseasonable(wrong, disagreement, suitable, inappropriate)
8
untrue(wrong, fake, false, counterfeit)
8
unwarranted(suitable, unreasonable, extreme, senseless)
7
base(bad, nasty, offensive, rude)
7
blameworthy(wicked, unreasonable, unwarranted, prejudiced)
7
corrupt(bad, wrong, rough, rude)
7
disgraceful(corrupt, dishonest, unfit, worthless)
7
ill-advised(negative, suitable, unsuitable, unfitting)
7
illegitimate(unreasonable, dishonest, extreme, stiff)
7
illicit(dishonest, legal, illegal, illegitimate)
7
impure(dull, blue, rough, nasty)
7
inept(dull, agree, wrong, flat)
7
objectionable(wrong, offensive, terrible, negative)
7
perverse
7
scandalous(corrupt, coarse, wicked, vulgar)
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APASmart Define. (2016). improper thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/improper/thesaurus/synonyms
ChicagoSmart Define. 2016. "improper thesaurus" https://smartdefine.org/improper/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, improper thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/improper/thesaurus/synonyms>.
MLASmart Define. "improper thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/improper/thesaurus/synonyms>