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 of fleeting

• 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

Thawing ice along a riverbank, the shallows capturing the reflection of one of the grandchildren; the burning flame of a wick disappearing into a birthday cake; the deep, dark tunnel of a fleeting set of train tracks, as piercing as the endless blue eyes of the toddler in the diptych beside it. —Casey Cep, New Yorker, 9 May 2026

Obtaining a nursing degree offers a vital job engine for many first-generation college students and an on-ramp toward the ever-fleeting American dream of financial stability. —Nicholas A. Giordano, STAT, 8 May 2026

In that fleeting moment, a product page must do more than inform. —Fairchild Studio, Footwear News, 8 May 2026

To understand the trap the state has just walked into, look at the Social Relief of Distress grant authorities instituted in 2020 as a fleeting, six-month pandemic stopgap. —Tiisetso Motsoeneng, semafor.com, 8 May 2026

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