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Definitions

in a flash

ADVERB
without any delay
Synonyms
WEAK
in a jiffy in a second instantaneously instantly quickly

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.

The U.S. women’s hockey team was almost caught in a flash storm of its own last Thursday, as it sat just two minutes from being on the wrong side of a massive upset against Canada.

From The Wall Street Journal • Feb. 23, 2026

Around 25 outfits will strut the catwalk on Sunday, a moment that "goes by in a flash".

From Barron's • Feb. 18, 2026

"Similarly, coming out of that mindset isn't something that happens in a flash."

From BBC • Oct. 10, 2025

There was long-winded indulgence and lovely itty-bitty works, over in a flash but suggestive of a full and lovely life, like that of an insect.

From Los Angeles Times • Jun. 12, 2025

The boy had a hand on her braid, and in a flash Henry remembered how Naomi had sometimes slept like that against Estella.

From "Out of Darkness" by Ashley Hope Pérez