illegal Synonyms
felonious
illicit
criminal
unlawful
contraband
proscribed
forbidden
prohibited
unauthorized
lawless
pirated
outlawed
bootleg
irregular
unlicensed
smuggled
banned
wrong
unmentionable
unfair
under-the-table
black-market
unequitable
illegal immigrant
unlawfully
undue
unjust
amerciable
wrongful
wicked
wildcat
unwarranted
not allowed
unwarrantable
unscrupulous
back channel
unprincipled
illicitly
paralegal
unethical
unsanctioned
off-limits
verboten
unsportsmanlike
unauthorised
uncertified
unchartered
under the counter
undeserved
unentitled