momentary

adjective

mo·​men·​tary ˈmō-mən-ˌter-ē 

1

a

: continuing only a moment : fleeting

b

: having a very brief life

2

: operative or recurring at every moment

momentariness noun

Synonyms

• brief
• deciduous
• ephemeral
• evanescent
• flash
• fleeting
• fugacious
• fugitive
• impermanent
• passing
• short-lived
• temporary
• transient
• transitory

Choose the Right Synonym for momentary

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 momentary in a Sentence

He experienced a momentary loss of consciousness.

the pain of the flu shot was only momentary

Recent Examples on the Web

There are massive, gleaming set pieces and slick, momentary callbacks. —Ben Travers, IndieWire, 21 Apr. 2025

Though new vehicle sales rose in March, analysts predict the trend to be a momentary blip rather than a trend. —Josh Hammer, MSNBC Newsweek, 21 Apr. 2025

Books Orwell’s 5 greatest essays: No. 1, ‘Politics and the English Language’ Nov. 8, 2013 Some Wodehouse lines are like time bombs, detonating with a momentary delay. —Michael Hiltzik, Los Angeles Times, 18 Apr. 2025

Heather had been working with the Kingpin as his marital therapist and had taken a strong anti-vigilante stance, so her boyfriend's momentary slip was the straw that broke the camel’s back, making her turn to the dark side and team up with the Kingpin. —Skyler Trepel, People.com, 16 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Rhymes for momentary

• accessary
• adversary
• ancillary
• arbitrary
• aviary
• axillary
• beriberi
• breviary
• budgetary
• capillary
• catenary
• cautionary

Kids Definition

momentary

adjective

mo·​men·​tary ˈmō-mən-ˌter-ē 

: lasting only a moment