<p><strong>Adverb:</strong></p><ul><li>from the first or original source: We heard the news of the accident firsthand from a witness.</li></ul><p><strong>Adjective:</strong></p><ul><li>of or relating to the first or original source.</li><li>direct from the original source: firsthand knowledge of the riot.</li></ul><p><strong>End of Response</strong></p>