Found 2 items, similar to fastness.
English → English (WordNet) Definition: fastness fastness n 1: a rate (usually rapid) at which something happens; “the project advanced with gratifying speed” [syn: speed, swiftness] 2: the quality of being fixed in place [syn: fixedness, fixity, fixture, secureness] 3: a strongly fortified defensive structure [syn: stronghold]
English → English (gcide) Definition: Fastness Fastness \Fast"ness\, n. [AS. f[ae]stnes, fr. f[ae]st fast. See Fast, a.] 1. The state of being fast and firm; firmness; fixedness; security; faithfulness. [1913 Webster] All . . . places of fastness [are] laid open. --Sir J. Davies. [1913 Webster] 2. A fast place; a stronghold; a fortress or fort; a secure retreat; a castle; as, the enemy retired to their fastnesses in the mountains. [1913 Webster] 3. Conciseness of style. [Obs.] --Ascham. [1913 Webster] 4. The state of being fast or swift. [1913 Webster]