<p><strong>Noun</strong></p><ul><li>the qualities or attributes of a hero or heroine: He showed great heroism in battle.</li><li>heroic conduct; courageous action: Pat's returning into the burning building was true heroism.</li></ul><p><strong>Synonyms</strong></p><ul><li>intrepidity</li><li>fortitude</li><li>daring</li><li>courage</li><li>bravery</li><li>gallantry</li><li>prowess</li><li>valor</li></ul><p><strong>Antonyms</strong></p><ul><li>timidity</li><li>cowardice</li></ul>