quick as a flash

adjective

Roget 113: instantaneous, momentary, sudden, immediate, instant, abrupt, discontinuous, precipitous, precipitant, precipitate; subitaneous^†, hasty; quick as thought, quick as lightning, quick as a flash; rapid as electricity.    speedy, quick, fast, fleet, swift, lively, blitz; rapid (velocity) 274.    ... show more

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