illicit

About 2.41 uses per million words.

Meaning

1. adjective Not approved by law, but not invalid.

   The bigamous marriage, while illicit, was not invalid.

2. adjective Breaking social norms.
3. adjective Unlawful.
4. noun A banned or unlawful item.

Similar words

unlawful illegitimate illegal outlawed outlaw adulterous extramarital extracurricular unlawfully illegally

Often followed by

drugs drug trade love traffic sexual sex intercourse and activities

Word family

illicitly