fastness
Speech parts
1. fastness - Noun
2. fastness - Adjective
Meaning
The state of being fast and firm; firmness; fixedness; security; faithfulness.
A fast place; a stronghold; a fortress or fort; a secure retreat; a castle; as, the enemy retired to their fastnesses in the mountains.
Conciseness of style.
The state of being fast or swift.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
the project advanced with gratifying speed
DPP Orange TR ECO07101 by Hangzhou Epsilon Chemical is diketopyrrolopyrrole orange pigment with bright color and excellent fastness.
Colortrend® 808-1810 by Chromaflo Technologies is a yellow colored high performance low-VOC and APE-free universal colorant based on iron oxide (57%) pigment with excellent light fastness.
Has good light fastness of pigment.
He must have felt at home in the mountain fastness of western North Carolina.
Is a green shade, very opaque benzimidazolone pigment with excellent light, weather and solvent fastness properties as well as high heat stability.