Fastness - Definition
fastness
n 1: a rate (usually rapid) at which something happens; "the
project advanced with gratifying speed" [syn: speed,
swiftness, fastness]
2: the quality of being fixed in place as by some firm
attachment [syn: fastness, fixedness, fixity,
fixture, secureness] [ant: looseness]
3: a strongly fortified defensive structure [syn: stronghold,
fastness]