Fastness — synonyms, definition

1. fastness (Noun)

fixedness fixity fixture secureness speed stronghold swiftness

fastness (Noun) — A rate (usually rapid) at which something happens. ex. "the project advanced with gratifying fastness"

fastness (Noun) — The quality of being fixed in place as by some firm attachment.

fastness (Noun) — A strongly fortified defensive structure.

defence defense defensive structure immovability immovableness pace rate bastion blockhouse citadel donjon dungeon execution speed graduality gradualness haste hastiness hold hurriedness hurry keep lodgement lodging lodgment precipitation redoubt fast slow