Synonyms|457Antonyms|115|Broader|9Narrower|12Related|204

179 entries under adjective topic. ×

1
not legal(expression, illegitimate, unlawful, prohibited)
1
outside the law(expression, illegitimate, unlawful, prohibited)
1
partial(cruel, unreasonable, dishonest, improper)
1
pirated(permitted, unjustified, pirate, unauthorized)
1
prejudiced(cruel, unreasonable, dishonest, improper)
1
racket(wrong, senseless, illegitimate, unlawful)
1
restricted(offensive, permitted, prohibited, unthinkable)
1
secret
1
shifty(evil, corrupt, dishonest, immoral)
1
sinister(corrupt, unreasonable, immoral, improper)
1
sneaky(bad, wrong, corrupt, dishonest)
1
too great(expression, unreasonable, improper, excessive)
1
unacceptable(offensive, worthless, permitted, prohibited)
1
unapproved
1
underhand(wrong, evil, corrupt, dishonest)
1
underhanded(corrupt, unreasonable, dishonest, immoral)
1
unjustifiable(wrong, unreasonable, dishonest, improper)
1
unmentionable(offensive, permitted, prohibited, unthinkable)
1
unreasonable(wrong, cruel, dishonest, improper)
1
vile(corrupt, wicked, unreasonable, dishonest)
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APASmart Define. (2015). illegal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/illegal/thesaurus/synonyms
ChicagoSmart Define. 2015. "illegal thesaurus" https://smartdefine.org/illegal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, illegal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/illegal/thesaurus/synonyms>.
MLASmart Define. "illegal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/illegal/thesaurus/synonyms>