profitability UK /ˌpɹɒf.ɪ.təˈbɪl.ɪ.ti/US /ˌpɹɑ.fɪ.təˈbɪl.ɪ.ti/ noun1 •The state or quality of being profitable; capacity to make a profit.The company’s profitability increased after reducing costs.We need to evaluate the long-term profitability of the project. formsprofitabilities