<p><strong>Verb</strong></p><ul><li>(used with object) to give careful attention to: He did not heed the warning.</li></ul><p><strong>Noun</strong></p><ul><li>careful attention; notice; observation (usually with give or take).</li></ul><p><strong>Synonyms</strong></p><ul><li>mark</li><li>consider</li><li>observe</li><li>note</li></ul><p><strong>Antonyms</strong></p><ul><li>ignore</li><li>disregard</li></ul>