A documentary-style narration: origin, meaning, and feel.
Part of speech
adjective
Pronunciation
ih-LIS-it /ɪˈlɪsɪt/
Definition
Forbidden by law, rules, or custom; unlawful; socially disapproved of and typically done in secret; (often) carrying a frisson of transgression or forbidden pleasure.
Plain meaning
Illicit means not permitted — either by law, by rules, or by social norms. Illicit drugs are illegal drugs. An illicit relationship is one that is kept secret because it violates social or moral rules (typically a secret romantic affair). Illicit trade is trade in illegal goods. The word often carries a suggestion of secrecy and transgression — something done in the shadows.
Register
Formal to neutral. Illicit is used in law, journalism, and everyday language. It carries a connotation of secrecy and social disapproval that merely illegal lacks. The phrase illicit pleasure — the enjoyment of something forbidden — reflects the word's association with transgression and hidden desire.
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Podcast 2 · Daily Use
Two British voices, real conversation
Illicit used naturally — examples, nuances, and close synonyms.
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Podcast 3 · Prompt Engineering
Using “Illicit” in AI prompts
An instructor and student walk through real, copy-ready developer prompts.
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