rapidness

a high rate of movement or performance the rapidness of the response to a call for assistance is critical in saving the victim of a heart attack Synonyms celerity, fastness, fleetness, haste, hurry, quickness, rapidity, speed, speediness, swiftness, velocityRelated Words clip, gait, pace, rate, tempo; drive, hustle; acceleration, hastiness, precipitation, precipitousness, rush; alacrity, dispatch, expedition, expeditiousness, promptitude, promptness; warp speedNear Antonyms languidness, languor, leisureliness, lethargy, torpidity, torpor; reluctance; deliberateness, deliberation; dilatoriness, lateness, pokiness, procrastinationAntonyms slowness, sluggishness