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Definition of swiftness
swiftness
/ˈswɪft.nəs/
swift · ness
Adverb:swiftly
•Adjective:swift
swiftness Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
2
swiftness Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The state or quality of moving, acting, or occurring with great speed and promptness.
Example
"The emergency response team acted with remarkable swiftness to contain the flooding."
Synonyms
View all synonyms for swiftness Antonyms
View all antonyms for swiftnessWord Origin & Etymology
From Old English 'swiftnes', formed from the adjective 'swift' (meaning 'fast-moving' or 'rotating quickly') and the noun-forming suffix '-nes' ('-ness').
Cite this Entry
Wordmom. (2026). Definition of Swiftness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/swiftness