Synonyms|533Antonyms|183|Broader|8Narrower|7Related|1.6k
18
illegal
11
unlawful
10
criminal(adjective, good, lawless, felonious)
9
illegitimate(adjective, legal)
9
lawless(adjective, reckless, ungoverned)
8
illicit(adjective, legal, forbidden)
8
wrong
7
banned
7
impermissible
7
iniquitous
7
invalid
7
sinful
7
wrongful(adjective, evil, illegal)
5
shy
5
unfair(adjective, good, honest)
5
bootleg(adjective, illegal)
5
contraband(adjective, unlawful)
5
forbidden
5
prohibited
5
unethical
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APASmart Define. (2016). legal thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/legal/thesaurus/antonyms
ChicagoSmart Define. 2016. "legal thesaurus" https://smartdefine.org/legal/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, legal thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/legal/thesaurus/antonyms>.
MLASmart Define. "legal thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/legal/thesaurus/antonyms>