D defs.my
Entry 1 sense Webster, 1913

Illegal

/ĭ.lē'gəl/ · Il·le·gal · IPA /ɪˈli.ɡəl/
01 a. Not according to, or authorized by, law; specif., contrary to, or in violation of, human law; unlawful; illicit; hence, immoral; as, an ill…
  1. 1.
    Not according to, or authorized by, law; specif., contrary to, or in violation of, human law; unlawful; illicit; hence, immoral; as, an illegal act; illegal trade; illegal love.