quick as lightning
adjective
Roget 274: fast, speedy, swift, rapid, quick, fleet; aliped†; nimble, agile, expeditious; express; active etc. ... show more
Roget 113: instantaneous, momentary, sudden, immediate, instant, abrupt, discontinuous, precipitous, precipitant, precipitate; subitaneous†, hasty; quick as thought, quick as lightning, ... show more
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