unprofitable UK /ʌnˈpɹɒf.ɪ.təbl̩/US /ʌnˈpɹɑf.ɪ.təbl̩/adjective 1noun 1forms 3 adjective1 •Not making a profit.Being a professional poet is a nice job, albeit unprofitable. noun1 •A person or thing that fails to make a profit. formsunprofitables · more unprofitable · most unprofitable
