† aˈstounednessObs. [f.astouned (early form of astound ppl. a.) + -ness.] The quality of being ‘astound,’ or astounded; mental stupefaction from terror, surprise, or alarm. 1549Chaloner tr.Erasm. Moriæ Enc. N iv a, Little lacked that they were not chaunged throughe astounednesse into stones.