fleeting

adjective

fleet·​ing ˈflē-tiŋ 

: passing swiftly : transitory

… the often fleeting nature of fame and fortune …

—Tom Sinclair

fleetingly

ˈflē-tiŋ-lē 

adverb

fleetingness noun

Synonyms

• flash
• brief
• temporary
• transient
• passing
• transitory
• ephemeral
• momentary
• evanescent

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

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

The potential reunion was fleeting, however, after Marr left to Mexico to tour with the Cribs. —Althea Legaspi, Rolling Stone, 6 Sep. 2025

The lives of the two children in the story, aged fourteen and four, are portrayed as being as fleeting as the fireflies, and the story is an unsentimental and unflinching account with moments of both tenderness and heartlessness. —Ginny Tapley Takemori september 4, Literary Hub, 4 Sep. 2025

In more recent years, fleeting trends and other fashion antics sometimes sidetracked Armani, especially on the runway, where aviator hats or tricky pants — from bloomers to loose, low-crotch styles — won him barbs from critics. —Luisa Zargani, Footwear News, 4 Sep. 2025

While some people may experience fleeting sugar and caffeine withdrawal symptoms, ditching soda from your diet can lead to a host of long-term health benefits. —Sarah Garone, Health, 4 Sep. 2025

Word History

First Known Use

1563, in the meaning defined above

Rhymes for fleeting

• beating
• bleating
• cheating
• eating
• greeting
• heating
• meeting
• seating
• sheeting
• sweeting
• treating
• accreting

Kids Definition

fleeting

adjective

fleet·​ing

ˈflēt-iŋ

: not lasting : passing swiftly

a fleeting glimpse