əˈʃʊɹəns əˈʃʊəɹəns ɔːˈθɒɹəti əˈθɔɹəti ˈkɒnfɪdəns ˈʃʊənəs ˈʃʊɹnəs ˈʃoːnəs ˈʃoːnɘs the quality of being steady and unfailing sureness of hand freedom from doubt; belief in yourself and your abilities his assurance in his superiority did not make him popular after that failure he lost his confidence she spoke with authority