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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS

WORDNET DICTIONARY

Noun speediness has 1 sense

• speediness(n = noun.attribute) celerity, quickness, rapidity, rapidness - a rate that is rapid; Array
is a kind of pace, rate
has particulars: fleetness, immediacy, immediateness, instancy, instantaneousness, despatch, dispatch, expedition, expeditiousness, promptitude, promptness
Derived forms adjective speedy₂, adjective speedy₁

CIDE DICTIONARY

THESAURUS

speediness

agility, air speed, alacrity, briskness, celerity, decisiveness, dispatch, expedition, expeditiousness, fastness, flight, flit, flurry, ground speed, haste, hurry, hustle, immediacy, immediateness, instantaneousness, knots, lightning speed, miles per hour, nimbleness, precipitation, promptitude, promptness, punctuality, punctualness, quickness, rapidity, readiness, round pace, rpm, rush, rustle, sharpness, smartness, snappiness, speed, spryness, summariness, swift rate, swiftness, velocity

For further exploring for "speediness" in Webster Dictionary Online