rare. [f. STALWART a. + -NESS.] The quality or condition of being stalwart; robustness, strength.
1850. Manchester Examiner & Times, 31 July, 5/6. The construction of this part of the building was such that the safety of all that was above … completely depended upon the stalwartness and integrity of the bow-shaped beam.
1859. Geo. Eliot, Adam Bede, I. i. In his tall stalwartness Adam Bede was a Saxon.
1888. Athenæum, 14 Jan., 57/1. The glossy, well-filled skin of the cart-horse, his stalwartness and vigour.
