instantly Synonyms

immediately at once instantaneously directly straightaway like a shot right away straight off in a flash now outright forthwith in a trice without hesitation as soon as in no time in a moment amain in an instant here and now meteorologically in short order just then shortly anon double-quick fleetly as soon as possible right now in a jiffy pretty damn quick that minute that instant in double quick time without delay without further ado this minute there and then right off this instant straight away pronto precipitously post haste on the spot all of a sudden all at once punctually proximally promptly