<p><strong>Adjective</strong></p><ul><li>Able or tending to penetrate; piercing; sharp: a penetrating glance.</li><li>A penetrating shriek; a penetrating glance.</li><li>Acute; discerning: a penetrating observation.</li><li>Synonyms: sharp, keen.</li><li>Antonyms: obtuse.</li><li>Surgery: noting a wound that pierces the skin, especially a deep wound entering an organ or body cavity.</li></ul><p><strong>End of Response</strong></p>