Synonyms of rapidity in English:

rapidity


See definition of rapidity

noun

1

SYNONYMS
quickness, swiftness, speed, speediness, briskness, expeditiousness, alacrity, dispatch, velocity, promptness, promptitude
suddenness, immediacy, instantaneousness, hurriedness, haste, hastiness, abruptness, precipitateness
literary fleetness, celerity