Dictionary.com
Thesaurus.com
Showing results for fastness. Search instead for firstness.
Synonyms

fastness

American  
[fast-nis, fahst-] / ˈfæst nɪs, ˈfɑst- /

noun

  1. a secure or fortified place; stronghold.

    a mountain fastness.

  2. the state of being fixed or firm.

    the fastness of democratic institutions.

  3. the state of being rapid.


fastness British  
/ ˈfɑːstnɪs /

noun

  1. a stronghold; fortress

  2. the state or quality of being firm or secure

  3. the ability of a dye to remain permanent and not run or fade

  4. archaic swiftness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fastness

before 900; Middle English; Old English fæstnes. See fast 1, -ness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ferrell is exactly right as Buddy, who as an infant at an orphanage found his way into Santa’s bag and became the first human to penetrate into the fastness of his North Pole workshop.

From Los Angeles Times • Dec. 9, 2022

MycoWorks says that its material meets the performance standards of cowhide in durability, color fastness and tensile strength.

From Scientific American • Mar. 28, 2022

He’s put in harness and becomes the member of a dogsled team hauling mail to prospectors drawn to the frigid fastness of the Yukon in the hunt for the yellow stuff.

From Seattle Times • Feb. 19, 2020

As I poured, she outlined the reason for the mystery summons that had brought me from my fastness in the Welsh hills.

From Nature • Nov. 5, 2019

‘Here at least you are guarded in the strongest fastness of the Mark,’ said Aragorn.

From "The Two Towers" by J. R. R. Tolkien