in a flash

English

Adjective

in a flash (not comparable)

1. (idiomatic) Instantaneous, very quick, in a very short amount of time.
   • 1987, “Sri Ramanasramam Charities”, in Mountain Path‎^[1], volume 24, page 152:

     Therefore its completeness, though instantaneous, was total. His realisation was in a flash, but it did not vanish like a flash.

   Synonyms: fulgurant, fast as lightning, lightning fast, lightning-quick, quick as a flash

Adverb

in a flash (not comparable)

1. (idiomatic) Very quickly.

   It happened so fast that it was all over in a flash.

   Synonyms: quick as a flash, lightning fast

Translations

very quickly — see quick as a flash