Synonyms of fleeting
: passing swiftly : transitory
… the often fleeting nature of fame and fortune …Tom Sinclair
fleetingness noun

fleeting

2 of 3

present participle of fleet entry 3

fleetingness

3 of 3

noun

fleet·​ing·​ness
plural -es
: the quality or state of being fleeting
Choose the Right Synonym for fleeting

transient, transitory, ephemeral, momentary, fugitive, fleeting, evanescent mean lasting or staying only a short time.

transient applies to what is actually short in its duration or stay.

a hotel catering primarily to transient guests

transitory applies to what is by its nature or essence bound to change, pass, or come to an end.

fame in the movies is transitory

ephemeral implies striking brevity of life or duration.

many slang words are ephemeral

momentary suggests coming and going quickly and therefore being merely a brief interruption of a more enduring state.

my feelings of guilt were only momentary

fugitive and fleeting imply passing so quickly as to make apprehending difficult.

let a fugitive smile flit across his face
fleeting moments of joy

evanescent suggests a quick vanishing and an airy or fragile quality.

the story has an evanescent touch of whimsy that is lost in translation

Examples of fleeting in a Sentence

Adjective I caught a fleeting glimpse of the comet. had a fleeting desire to jump into the cool lake but kept on hiking
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Then come the notions and hardware, like earring posts, beads and crystal accents, that complete the transformation from fleeting flora to lasting adornment. Leigh-Ann Jackson, Los Angeles Times, 2 Sep. 2026 Grace Karin Tapered-Leg Trousers Capris don’t have to be just a fleeting summer trend. Melony Forcier, InStyle, 1 Sep. 2026 Fortunately, one of the most sensitive detectors ever constructed was buried there to catch that fleeting glow and record the neutrinos’ ghostly presence. Joseph Howlett, Scientific American, 31 Aug. 2026 The furniture and decor for your little one leans into that fleeting window of imagination, bringing color, whimsy, and playfulness to make their room feel unmistakably theirs. Julia Harrison, Architectural Digest, 31 Aug. 2026 See All Example Sentences for fleeting

Word History

First Known Use

Adjective

1563, in the meaning defined above

Time Traveler
The first known use of fleeting was in 1563

Browse Nearby Words

Cite this Entry

“Fleeting.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fleeting. Accessed 3 Sep. 2026.

Kids Definition

fleeting

adjective
fleet·​ing
ˈflēt-iŋ
: not lasting : passing swiftly
a fleeting glimpse
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!