illicit
il·li·cit
adjective
1.
contrary to accepted morality (especially sexual morality) or convention
- “an illicit association with his secretary”
Origin
Borrowed from French illicite, from Latin illicitus, from in- (“not”) + licitus (“allowed, permitted”), from licet (“it is allowed”). By surface analysis, il- + licit.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.