Thesaurus

fastness

noun

Synonyms & Antonyms of fastness

1 a high rate of movement or performance
  • the amazing fastness with which the boy took his shower had us wondering if he'd used any water

Synonyms for fastness

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Antonyms for fastness

2 a structure or place from which one can resist attack
  • the guerillas retreated to their network of hidden fastnesses deep within the mountains

Synonyms for fastness

Words Related to fastness

3 adherence to something to which one is bound by a pledge or duty
  • his uncompromising fastness to the cause of freedom was beyond question

Synonyms for fastness

Words Related to fastness

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Antonyms for fastness

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Time Traveler for fastness

Time Traveler

The first known use of fastness was before the 12th century

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Thesaurus Entries Near fastness

fasting

fastness

fasts

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Cite this Entry

“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 26 Oct. 2021.

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