Find Synonyms
swiftness Synonyms
Another word for swiftness
Choosing another word for swiftness that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
• noun (Context 1)
The state or quality of moving, acting, or occurring with great speed and promptness.
Usage Example
"The emergency response team acted with remarkable speed to contain the flooding."
Strongest
speed
rapidity
quickness
Strong
promptness
fleetness
celerity
alacrity
haste
velocity
Opposites of swiftness
The opposite of swiftness shifts depending on context. Common opposites include:
slowness
sluggishness
tardiness
lethargy
delay
Cite this Entry
Wordmom. (2026). Synonyms for Swiftness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/swiftness