[ ih-lis-it-lee ]
See synonyms for illicitly on
  1. in a way that is not legally permitted or authorized; unlawfully: She estimates that more than one-third of all software installed on personal computers is obtained illicitly.

  2. in a way that is disapproved of or not permitted for moral or ethical reasons: In divorce proceedings, “corespondent” means the person that one of the partners has been illicitly sleeping with.

Origin of illicitly

First recorded in 1660–70; illicit + -ly

Words Nearby illicitly Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use illicitly in a sentence