momentary

[moh-muhn-ter-ee] / ˈmoʊ mənˌtɛr i /

ADJECTIVE

brief, fleeting

Synonyms

STRONGEST

short-lived temporary transitory

WEAK

cursory dreamlike ephemeral evanescent flashing flitting flying fugacious fugitive gone in flash hasty impermanent impulsive in wink of an eye instantaneous like lightning passing quick shifting short spasmodic summary transient vanishing volatile

Antonyms

STRONGEST

lasting lengthy long-lived permanent

WEAK

long-lasting staying

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Other cyber stocks saw a momentary lift the week, but that optimism didn’t last long.

From Barron's • Apr. 9, 2026

Speaking to the BBC last year, she admitted to a momentary crisis of confidence.

From BBC • Mar. 26, 2026

Observing that momentary disappearance allows scientists to calculate the asteroid's position, speed, and shape with remarkable precision.

From Science Daily • Mar. 9, 2026

The final update was from Jan. 18, after she had emergency surgery to remove that tumor, and her mood was one of momentary relief.

From Los Angeles Times • Mar. 4, 2026

The girls needed to use this momentary chaos to their advantage, but how?

From "Beauty Queens" by Libba Bray

Vocabulary lists containing momentary

Chronically Dolores

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Brief

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-ary

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