Forms: 6 spedynesse, spedi-, speedines, 67 speedinesse, 6 speediness (7 speedy-). [f. SPEEDY a. Cf. OE. spédiʓnes opulence.] The quality of being speedy; quickness, celerity, promptitude.
1530. Palsgr., 274/1. Spedynesse, hastifueté.
1548. Udall, etc. Erasm. Par. Matt. ix. 60. Maruelyng at so great spedines of miracles.
1635. Swan, Spec. M., vi. § 2 (1643), 202. [Waters] yield us an easinesse and speedinesse of conduct and traffick.
1663. S. Patrick, Parab. Pilgr., xix. (1687), 185. The wounds are made more angry, and you hinder the speediness of the Cure.
1770. Langhorne, Plutarch (1851), I. 279/1. Much lustre did fortune add to the gallantry of their exploits by the speediness of their execution.
1775. Adair, Amer. Ind., 234. For the certainty, ease, and speediness of cure.