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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.

“One Battle After Another” moves with breakneck speed, its 162 minutes going by in a flash.

From Los Angeles Times • Mar. 11, 2026

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

She finally got the job done after 39 minutes on her seventh chance, slamming a ball she was holding in her hand down on the court in a flash of anger.

From Barron's • Jan. 21, 2026

On stage, they could jump between being affectionate and combative in a flash, finding the humor in hyper-specific yet universal situations.

From Salon • Oct. 18, 2025

Then, in a flash, the cube disappears—replaced by a message.

From "Warcross" by Marie Lu