il·lic·it /(ˌ)ɪ(l)ˈlɪsət/
  (a.)不法的,不正的,禁止的
  Il·lic·it a.  Not permitted or allowed; prohibited; unlawful; as, illicit trade; illicit intercourse; illicit pleasure.
     One illicit . . . transaction always leads to another.   --Burke.
  -- Il*lic*it*ly, adv. -- Il*lic*it*ness, n.
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  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]