At the speed of light synonyms | adverbs

Synonyms for At the speed of light as an Adverb

• fast
• quickly
• rapidly
• swiftly
• speedily
• briskly
• at full tilt
• hastily
• like lightning
• at speed
• hurriedly
• posthaste
• like a shot
• like a flash
• on the double
• lickety-split
• apace
• at a gallop
• like greased lightning
• promptly
• in a flash
• at full speed
• hell for leather
• hotfoot
• at a rate of knots
• in a hurry
• pell-mell
• pretty damn quick
• nippily
• hell-bent for leather
• like mad
• like the wind
• like a bat out of hell
• at warp speed
• like blazes
• immediately
• precipitately
• in haste
• in a rush
• quick
• at high speed
• like the clappers
• pdq
• with all speed
• at or on the double
• latstick
• in no time
• without delay
• expeditiously
• with dispatch