Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fastness

3 senses of fastness

Sense 1
speed, swiftness, fastness -- (a rate (usually rapid) at which something happens; "the project advanced with gratifying speed")
       => pace, rate -- (the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated")

Sense 2
fastness, fixedness, fixity, fixture, secureness -- (the quality of being fixed in place as by some firm attachment)
       => immovability, immovableness -- (not capable of being moved or rearranged)

Sense 3
stronghold, fastness -- (a strongly fortified defensive structure)
       => defensive structure, defense, defence -- (a structure used to defend against attack; "the artillery battered down the defenses")

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