Synonyms of under-the-counter
- 2 Syllables
- banned, wrongful, taboo, lawless, bootleg
- 3 Syllables
- improper, criminal, flagitious, black-market, forbidden, bootlegged, outlawed, illicit, illegal, nefarious, unlawful
- 4 Syllables
- unlicensed, prohibited, iniquitous, clandestine, actionable
- 5 Syllables
- unauthorized
- 6 Syllables
- illegitimate