Definitions
There is 1 meaning of the phrase
In A Flash.
In A Flash - as an adverb
Without any delay
Example: "He was killed outright"
Synonyms (Exact Relations)
instantaneouslyinstantlyoutrightExample Sentences
"I completed the assignment in a flash."
"She finished the race in a flash."
"He solved the puzzle in a flash."
"They arrived at the party in a flash."
"The car drove past in a flash."