illicit (
http://definr.com/illicit)
adj 1: contrary to accepted morality (especially sexual morality)
or convention; "an illicit association with his
secretary" [ant:
licit]
2: contrary to or forbidden by law; "an illegitimate seizure of
power"; "illicit trade"; "an outlaw strike"; "unlawful
measures" [syn:
illegitimate,
outlaw(a),
outlawed,
unlawful]