<p><strong>Verb:</strong></p><ul><li>Aggress</li></ul><p><strong>Aggress:</strong></p><ul><li>(Used without object) To commit the first act of hostility or offense; attack first.</li><li>To begin to quarrel.</li><li>(Used with object) To behave aggressively toward; attack (often followed by upon): wild animals aggressing their prey.</li></ul>