|Noah Webster's Dictionary|
1. (a.) Spent with labor or violent action; out of breath.
2. (a.) Not breathing; holding the breath, on account of fear, expectation, or intense interest; attended with a holding of the breath; as, breathless attention.
3. (a.) Dead; as, a breathless body.
Breathless (1 Occurrence)
2 Chronicles 9:4 and the food of his table, and the sitting of his servants, and the attendance of his ministers, and their clothing, his cup bearers also, and their clothing, and his ascent by which he went up to the house of Yahweh; there was no more spirit in her. (See NAS)