heteronomousPronunciation: /ˌhɛtəˈrɒnəməs/Definition of heteronomous adjective subject to a law or standard external to itself. (in Kantian moral philosophy) acting in accordance with one’s desires rather than reason or moral duty. Compare with autonomous. Biology subject to different laws of growth and development. Derivatives heteronomy noun heteronomous in other Oxford dictionaries Definition of heteronomous in the US English dictionary