commercial UK /kəˈmɜː.ʃəl/US /kəˈmɝ.ʃəl/adjective 3noun 4forms 3 adjective3 •connected with business and with making money by selling things to people •Designating an airport that serves passenger and/or cargo flights. •Designating such an airplane flight. noun4 •An advertisement in a common media format, usually radio or television.She was in a commercial for breakfast cereal. •A commercial trader, as opposed to an individual speculator. •(slang) A male prostitute.Tom said that homosexuals hate “commercials,” male prostitutes, and if the homosexual was drunk and angry, he might have committed murder. — 1972 •(no longer used) A commercial traveller.I have more than once had to lend a commercial money to pay his fare home; as he had played shell-out and lost the lot. — 1875 formscommercials · more commercial · most commercial