As a Noun: 1. The quality of having your own attitudes and opinions and not being easily influenced by other people. English = single-mindedness, independence. 2. The quality of persisting in doing things or behaving in a particular way especially against advice to the contrary. English = determination, resoluteness. As a Verb or Adjective: 1. To have your own attitudes and opinions and not to be easily influenced by other people. English = (be) strong-minded, (be) independent. 2. To be determined to behave in a particular way despite advice not to do so. Sometimes used showing disapproval. English = (be) strong-willed, (be) determined.