Thesaurus
A really fast thesaurus... with lots of synonyms.
Fastness has 6 synonyms. The top synonyms for fastness are fixity, stronghold, swiftness, secureness, speed, fixedness. Another word for fastness is fixity. Browse the full list below.
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Frequently asked questions
What is a synonym for fastness?
A common synonym for fastness is fixity. Other synonyms include stronghold, swiftness, secureness, speed.
How many synonyms does fastness have?
Fastness has 6 synonyms listed on Thesaurasize.
What does fastness mean?
(n): a secure or fortified place; a stronghold, a fortress; the state of being fast
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