What is the meaning of fastness?

A rate (usually rapid) at which something happens.
- usage: "the project advanced with gratifying speed"
- synonyms: speed, swiftness
The quality of being fixed in place as by some firm attachment.
- synonyms: fixedness, fixity, fixture, secureness
A strongly fortified defensive structure.
- synonyms: stronghold

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APA	WordNet. (2010). fastness. Retrieved September 21, 2026, from http://smartdefine.org/fastness/definitions/1210452
Chicago	WordNet. 2010. "fastness" http://smartdefine.org/fastness/definitions/1210452 (accessed September 21, 2026).
Harvard	WordNet 2010, fastness, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/fastness/definitions/1210452>.
MLA	WordNet. "fastness" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/fastness/definitions/1210452>

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