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swiftly Synonyms
Another word for swiftly
Choosing another word for swiftly depends on context, so the 17 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adverb (Context 1)
At high physical speed; with rapid, smooth movement.
Usage Example
"The mountain stream flowed quickly through the narrow rocky gorge after the spring thaw."
Strongest
quickly
rapidly
speedily
fast
Strong
briskly
fleetly
apace
hurriedly
hastily
• adverb (Context 2)
Promptly and without delay; within a very short period of time.
Usage Example
"Emergency crews responded promptly to restore electricity to the affected neighborhoods."
Strongest
promptly
immediately
expeditiously
Strong
right away
at once
instantly
posthaste
forthwith
Opposites of swiftly
The opposite of swiftly shifts depending on context. Common opposites include:
slowly
belatedly
sluggishly
tardily
late
unhurriedly
leisurely
ploddingly
Cite this Entry
Wordmom. (2026). Synonyms for Swiftly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/swiftly