The word un-nerved means to lose one's courage, composure or confidence, while its antonyms signify the opposite. Some antonyms of un-nerved include calm, poised, collected, composed, self-assured, self-confident, courage, bravery, and fearlessness. Calmness and poise stand for the ability to remain composed in any situation, without being flustered or agitated. Self-assured and self-confident suggest trust in oneself and one's abilities. Courage, bravery, and fearlessness stand for strength in difficult situations, facing fear, and taking risks. Synonyms and antonyms always play a significant role in expressing oneself better and enhancing the quality of communication.