›ECONOMICS, MARKETINGa mature market, industry, or product has stopped growing or developing as fast as it did when it was new: a mature market/industryIf a firm is in a mature market, it will be hard to generate growing returns to shareholders.Despite its image as an owner of mature businesses, we expect strong profits growth ahead.The piston engine is a mature technology that's increasingly difficult to improve.
›completely or almost completely developed, usually because of having existed for a long time: This level of disputed votes is unprecedented among mature democracies.
›HRadult or older, or behaving in a reasonable way like an adult or older person: Colleagues who are tired of playing office politics will welcome your more mature approach.mature workers/graduates