Find Synonyms
fleetingly Synonyms
Another word for fleetingly
Choosing another word for fleetingly that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
For a very short or passing period of time; briefly or momentarily.
Usage Example
"She smiled briefly at the memory before returning to her work."
Strongest
briefly
momentarily
passingly
Strong
transiently
ephemerally
transitorily
temporarily
Opposites of fleetingly
The opposite of fleetingly shifts depending on context. Common opposites include:
permanently
endlessly
perpetually
eternally
constantly
continually
indefinitely
forever
Cite this Entry
Wordmom. (2026). Synonyms for Fleetingly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/fleetingly