Confidence is a desirable trait in any individual as it speaks volumes about their personality and mindset. However, not everyone can be confident all the time, and there are situations where we may feel unconfident. To express this lack of confidence, we can use antonyms like self-assured, composed, poised, assured, and confident. These words indicate a sense of certainty and belief in oneself. Conversely, other antonyms for unconfident include nervous, uneasy, uncertain, doubtful, and timid, which suggest a lack of trust in one's abilities or decisions. It is essential to recognize when we feel unconfident and use the correct language to express these emotions.