Definition, Meaning & Synonyms

fastness

noun
/ˈfæstnəs/
Definition
The quality or state of being fast; firmness or stability.
Examples
  • The fastness of the dye on the fabric ensures that it won’t fade in the wash.
  • Mountains can provide a fastness against invading armies, offering safety and stability.
Meaning
Fastness can refer to the ability of a material to resist fading or the property of being securely attached or stable.
Synonyms
  • stability
  • strength
  • security
  • firmness