1. (noun) speed, swiftness, fastness
a rate (usually rapid) at which something happens
Synonyms: stronghold, swiftness, stop number, secureness, fixture, speeding, upper, velocity, speed, f number, fixity, pep pill, fixedness, focal ratio, amphetamine, hurrying, fastness
2. (noun) fastness, fixedness, fixity, fixture, secureness
the quality of being fixed in place as by some firm attachment
Synonyms: stronghold, swiftness, fixing, secureness, mend, reparation, stationariness, fixture, immutability, habitue, immutableness, speed, fixity, fixedness, mending, regular, repair, unalterability, fix, fastness, immobility
3. (noun) stronghold, fastness
a strongly fortified defensive structure
Synonyms: stronghold, fixity, fastness, speed, fixture, fixedness, secureness, swiftness
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1. fastness
Fortification is the general word for any artificial defensive work; a fortress is a fortification of especial size and strength; a fortress is regarded as permanent, and is ordinarily an ind
Synonyms: fortification, castle, citadel, fastness, fort, fortress, stronghold
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Synonyms for fastness 
