<p><strong>Noun</strong></p><ul><li>one or more bundles of fibers forming part of a system that conveys impulses of sensation, motion, etc., between the brain or spinal cord and other parts of the body</li><li>a sinew or tendon: to strain every nerve</li><li>firmness or courage under trying circumstances: an assignment requiring nerve; to lose your nerve at the very last moment</li><li>nerves, nervousness: an attack of nerves</li><li>strength, vigor, or energy: a test of nerve and stamina</li><li>pulp tissue of a tooth</li><li>Botany: a vein, as in a leaf</li><li>a line, or one of a system of lines, extending across something</li></ul><p><strong>Synonyms</strong></p><ul><li>intrepidity</li><li>steadfastness</li><li>resolution</li><li>fortitude</li><li>boldness</li><li>audacity</li><li>impudence</li><li>impertinence: He had the nerve to say that?</li><li>might</li><li>force</li><li>power</li></ul><p><strong>Antonyms</strong></p><ul><li>weakness (not in technical use)</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) nerved, nerv·ing</li><li>to give strength, vigor, or courage to: Encouragement had nerved him for the struggle</li></ul><p><strong>Synonyms</strong></p><ul><li>brace</li><li>steel</li><li>invigorate</li><li>fortify</li><li>strengthen</li></ul><p><strong>Antonyms</strong></p><ul><li>weaken</li></ul>