fastness

ˈfæstnəs

Definition

Definition of fastness - Reverso English Dictionary

Noun

speed

Rare

state of moving quickly or rapidly

Rare

The fastness of the cheetah is unmatched.

rapidity

swiftness

dye durability

TECH.

ability of a dye to resist fading

TECH.

The fabric's fastness to sunlight was impressive.

stronghold

Rare

secure or fortified place

Rare

The castle was a fastness against invaders.

bastion

citadel

fortress

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Expressions with fastness

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.

mountain fastness

remote mountain area hard to reach or invade

The rebels hid in a mountain fastness for months.

Origin of fastness

Old English, fæst (firm) + ness (state)

Examples of fastness in a sentence

Her fastness in completing the task was impressive.
The dye's fastness to washing ensured long-lasting colors.
Fastness to perspiration is crucial for sportswear fabrics.
The rebels retreated to their mountain fastness.
The fastness was impenetrable to enemy forces.

View all translations of fastness

✨Click below to see the appropriate translations facing each meaning.

French:vitesse, solidité, ...
German:Schnelligkeit, Lichtbeständigkeit, ...
Italian:velocità, solidità, ...
Spanish:rapidez, resistencia, ...
Portuguese:rapidez, solidez, ...
Chinese:速度, 耐光性, ...
Japanese:速さ, 堅牢度, ...
Arabic:سرعة, ثَبات, ...
Hebrew:מְהִירוּת, עמידות, ...
Russian:быстрота, устойчивость, ...
Ukrainian:швидкість, стійкість, ...
Hindi:गति, स्थिरता, ...
Bengali:দ্রুতগতি, স্থায়িত্ব, ...
Catalan:velocitat, resistència, ...
Czech:rychlost, stálost, ...
Danish:hurtighed, farveægthed, ...
Dutch:snelheid, kleurvastheid, ...
Greek:ταχύτητα, αντοχή, ...
Hungarian:gyorsaság, színtartósság, ...
Khmer:ល្បឿន, ភាពធន់នឹងការស្រអាប់ពណ៌, ...
Korean:빠름, 내광성, ...
Persian:سرعت, دوام, ...
Polish:szybkość, trwałość, ...
Portuguese (BR):rapidez, solidez, ...
Romanian:viteză, rezistență, ...
Swedish:snabbhet, ljusbeständighet, ...
Thai:ความเร็ว, ทนทานของสี, ...
Turkish:hız, dayanıklılık, ...
Vietnamese:tốc độ, độ bền màu, ...

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Definition of fastness - Reverso English Dictionary

Noun

Expressions with fastness

Origin of fastness

Terms related to fastness

Examples of fastness in a sentence

View all translations of fastness

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery