Definitions for fastness

Definitions for (noun) fastness

Main entry: stronghold, fastness

Definition: a strongly fortified defensive structure

Main entry: secureness, fixedness, fixity, fixture, fastness

Definition: the quality of being fixed in place as by some firm attachment

Main entry: fastness, speed, swiftness

Definition: a rate (usually rapid) at which something happens

Usage: the project advanced with gratifying speed

Visual thesaurus for fastness