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Fastness - Meaning, Definition & English Examples

Fastness refers to the quality of being firm, secure, or resistant to change. It can describe the durability of colors against fading or the strength of a structure. The term is often used in textiles and construction.

fastness

/ˈfæstnəs/ /ˈfɑːstnəs/

Definition:

The quality of being firmly fixed, stable, or resistant to change or fading.

Synonyms:

stability, firmness, durability, steadfastness

Part of Speech:

noun

Antonyms:

instability, looseness

Common Collocations:

color fastness, light fastness, dye fastness

Derivatives:

fasten, fastener

Usage Tips:

Use "fastness" to describe resistance to fading or firmness in position; often paired with words like "color" or "light."

Common Phrases:

hold fastness, color fastness test, mountain fastness

Etymology:

Derived from Old English "fæstnes," meaning firmness or steadfastness; related to "fasten."

Examples:

  • 1. The fabric's color fastness ensures it won't fade in sunlight.
  • 2. The mountain's fastness made it a perfect hiding place for rebels.
  • 3. She admired the fastness of his resolve despite the challenges.
  • 4. The dye's fastness was tested under harsh washing conditions.

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