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illicit

/ɪ(l)ˈlɪsɪt/
/ɪˈlɪsɪt/
IPA guide

Illicit means not allowed by law or custom. It's illegal to kill endangered elephants, but many poachers still engage in the Illicit ivory trade.

Illicit usually refers to something that is not morally proper or acceptable. Illicit activities — like smuggling or counterfeiting — happen under the radar of the law. Illicit is from Latin illicitus, from the prefix in-, "not," plus licitus, "lawful."

Definitions of illicit
  1. adjective
    contrary to accepted morality (especially sexual morality) or convention
    synonyms:
    adulterous, extracurricular, extramarital
    characterized by adultery
    unlawful
    not morally right or permissible
    see moresee less
    antonyms:
    licit
    sanctioned by custom or morality especially sexual morality
  2. adjective
    contrary to or forbidden by law
    illicit trade”
    illegal
    prohibited by law or by official or accepted rules
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘illicit'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Commonly confused words

elicit / illicit

Elicit is a verb that describes drawing something out from someone, like laughter or a confession. Illicit, on the other hand, is an adjective that characterizes something illegal or otherwise unacceptable, like drugs or forbidden love.

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