Antonyms for the word "un-confident" describe a person who is self-assured and full of confidence. Words such as confident, self-assured, assertive, bold, sure, certain, positive, assured, poised, and daring are antonyms for un-confident. These words describe individuals who are confident in their abilities and are not afraid to take risks. Confident people are known to have a positive outlook on life, are resilient, and are not easily discouraged by setbacks. Being confident also means that you believe in yourself and your abilities, allowing you to pursue your goals and achieve success. In contrast, un-confident people lack self-belief and are often held back by self-doubt and insecurities.