5
lawlessly
3
illegally
3
illegitimately
3
unlawfully
2
in an unlawful manner
1
illicitly
1
criminally
1
improperly
1
iniquitously
0
colloquially
0
corruptly
0
crookedly
0
dishonestly
0
disjointedly
0
disproportionately
0
disreputably
0
eloquently
0
equitably
0
erroneously
0
falsely
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APASmart Define. (2013). lawfully thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lawfully/thesaurus/antonyms
ChicagoSmart Define. 2013. "lawfully thesaurus" https://smartdefine.org/lawfully/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2013, lawfully thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lawfully/thesaurus/antonyms>.
MLASmart Define. "lawfully thesaurus" 28 June 2013. Web. 24 September 2026. <https://smartdefine.org/lawfully/thesaurus/antonyms>