fastness

Primary Meanings of fastness

1.
n
a rate (usually rapid) at which something happens
2.
n
the quality of being fixed in place as by some firm attachment
Full Definitions of fastness
1

n a rate (usually rapid) at which something happens

Synonyms:
speed, swiftness
Types:
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haste, hastiness, hurriedness, hurry, precipitation
overly eager speed (and possible carelessness)
execution speed
(computer science) the speed with which a computational device can execute instructions; measured in MIPS
graduality, gradualness
the quality of being gradual or of coming about by gradual stages
abruptness, precipitance, precipitancy, precipitateness, precipitousness, suddenness
the quality of happening with headlong haste or without warning
Type of:
pace, rate
the relative speed of progress or change
2

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

Synonyms:
fixedness, fixity, fixture, secureness
Antonyms:
looseness
the quality of movability by virtue of being free from attachment or other restraints
Types:
lodgement, lodging, lodgment
the state or quality of being lodged or fixed even temporarily
Type of:
immovability, immovableness
not capable of being moved or rearranged

n a strongly fortified defensive structure

Synonyms:
stronghold
Examples:
Black Hole of Calcutta
a dungeon (20 feet square) in a fort in Calcutta where as many as 146 English prisoners were held overnight by Siraj-ud-daula; the next morning only 23 were still alive
Kremlin
citadel of Moscow, housing the offices of the Russian government
Types:
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bastion, citadel
a stronghold into which people could go for shelter during a battle
blockhouse
a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire
hold
a stronghold
donjon, dungeon, keep
the main tower within the walls of a medieval castle or fortress
redoubt
an entrenched stronghold or refuge
acropolis
the citadel in ancient Greek towns
kremlin
citadel of a Russian town
Type of:
defence, defense, defensive structure
a structure used to defend against attack

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