Feeling confident refers to a state of being self-assured and confident in one's abilities. However, there are several antonyms for this phrase, which reflect a lack of confidence or uncertainty. Some common antonyms for feeling confident include feeling doubtful, unsure, insecure, hesitant, afraid, and intimidated. If someone is not feeling confident, they may have low self-esteem, lack of self-belief, or simply feel out of their depth in a particular situation. It is essential to understand and recognize these antonyms to appreciate the importance of feeling confident and how it affects our overall well-being and success.