<p><strong>Adjective</strong></p><ul><li>without breath or breathing with difficulty; gasping; panting: We were breathless after the steep climb.</li><li>with the breath held, as in suspense, astonishment, fear, or the like: breathless listeners of the mystery story.</li><li>causing loss of breath, as from excitement, anticipation, or tension: a breathless ride.</li><li>dead; lifeless.</li><li>motionless or still, as air without a breeze: a breathless summer day.</li></ul>