Synonyms of swiftly in English:

swiftly


See definition of swiftly

adverb

1‘he went swiftly through the house’

SYNONYMS

rapidly, quickly, fast, speedily, briskly, at high speed, at full tilt, like the wind, like lightning, at breakneck speed, as fast as one's legs can carry one, as swift as an arrow

informal double quick, nippily, like the clappers

literary apace

ANTONYMS

slowly

2‘the police reacted swiftly’

SYNONYMS

promptly, immediately, instantly, instantaneously, without delay, post-haste, in a flash, in a trice, in the wink of an eye, in an instant

readily, punctually, meteorically

suddenly, abruptly, unhesitatingly, hastily, hurriedly, precipitately, headlong

informal before you can say Jack Robinson, before you can say knife, like a shot, like greased lightning, at warp speed, lickety-split, in a jiff, in a jiffy, pronto, in less than no time

ANTONYMS

unhurriedly, in due course