fastness

1. (uncountable) The quality or state of being fast (in various senses).Examples: "[T]he thing, as it is, having firſt taken vp her ſtand in the memory, and there by the way of knowledge and witting, imprinted it-ſelfe, it were hard it ſhould not repreſent it ſelfe to the imagination, diſplacing and ſupplanting falſehood, which therein can have no ſuch footing, or ſetled faſtneſſe: […]"; "[T]his is the ſure, infallible Teſt of Love, that the Meaſure of its Strength is to be taken by the Faſtneſs of its Hold."countableuncountable

2. (uncountable) The quality or state of being fast (in various senses).countablespecificallyuncountable

3. (uncountable) The quality or state of being fast (in various senses).Examples: "[Frog:] Why are all of us fleein'? What dire peril threatens our sylvan fastness? [Bug:] Just run! Your fastness shouldn't be too slow."countableuncountable

4. (uncountable) The quality or state of being fast (in various senses).countableuncountable

5. (uncountable) The quality or state of being fast (in various senses).Examples: "But now his cruelty ſo ſore ſhe drad, / That to thoſe fennes for faſtneſſe ſhe did fly, / And there her ſelfe did hyde from his hard tyranny."; "The Foes had left the faſtneſs of their Place, / Prevail'd in Fight, and had his Men in Chace."archaiccountableuncountable

6. (uncountable) The quality or state of being fast (in various senses).Examples: "Which was brought to paſſe I beleue, […] by a good way of Epitome, in binding him ſelfe to tranſlate meros Atticos Oratores, and ſo to bring his ſtyle, from all lowſe groſneſſe, to ſoch firme faſtnes in latin, as is in Demoſthenes in Greeke."countableobsoleteuncountable