<p><strong>Noun</strong></p><ul><li>The sharp-pointed head that forms the piercing end of a spear.</li><li>Any person, contingent, or force that leads an attack, undertaking, etc.: Cuba was the spearhead of the independence movement within Latin America.</li></ul><p><strong>Verb</strong></p><ul><li>To lead or initiate (an undertaking): She is spearheading an ambitious research project whose results may be used by NASA.</li></ul><p><strong>Synonyms</strong></p><ul><li>Pioneer</li><li>Initiate</li><li>Start</li><li>Lead</li></ul>