rapidness

noun 0.887

rapid

noun 0.787

speediness

noun 0.733

quickness

noun 0.706

swiftness

noun 0.700

celerity

noun 0.697

expeditiousness

noun 0.660

fast

noun 0.658

speed

noun 0.648

hastiness

noun 0.643

precipitancy

noun 0.634

promptitude

noun 0.621

briskness

noun 0.621

hurriedness

noun 0.615

haste

noun 0.612

suddenness

noun 0.606

alacrity

noun 0.602

rashness

noun 0.597

quick

noun 0.596

faster

noun 0.594

high speed

noun 0.592

promptness

noun 0.588

agility

noun 0.587

wire speed

noun 0.586

fleetness

noun 0.584

acceleration

noun 0.583

instantaneity

noun 0.581

velocity

noun 0.579

rate constant

noun 0.578

impetuosity

noun 0.576

abruptness

noun 0.575

mediacy

noun 0.574

rapid transit

noun 0.574

nimbleness

noun 0.567

rushing

noun 0.567

speeding

noun 0.562

rate

noun 0.562

raciness

noun 0.561

celeration

noun 0.560

quick-wittedness

noun 0.559

immediacy

noun 0.554

instantaneousness

noun 0.553

speedup

noun 0.553

hurry

noun 0.545

rate equation

noun 0.541

impetuousness

noun 0.541

speed parameter

noun 0.541

rush

noun 0.541

explosiveness

noun 0.540

reaction time

noun 0.539

rapacity

noun 0.538

response time

noun 0.538

double-quick

noun 0.537

swift

noun 0.536

urgency

noun 0.535

accelerando

noun 0.533

lightspeed

noun 0.531

timeliness

noun 0.527

impulsivity

noun 0.524

brevity

noun 0.524

accelerated motion

noun 0.523

speedster

noun 0.522

rapaciousness

noun 0.521

rap

noun 0.521

dynamicity

noun 0.520

overspeed

noun 0.518

earliness

noun 0.517

fast company

noun 0.516

superspeed

noun 0.516

tachycardia

noun 0.515

instancy

noun 0.514

acuteness

noun 0.513

briefness

noun 0.512

onrush

noun 0.512

quicken

noun 0.512

pace

noun 0.512

fast track

noun 0.509

impulsiveness

noun 0.507

precocity

noun 0.507

tempol

noun 0.507

radicality

noun 0.506

radiancy

noun 0.505

voracity

noun 0.505

deftness

noun 0.505

tachy

noun 0.505

allegro

noun 0.505

over rate

noun 0.503

dexterity

noun 0.503

speed of light

noun 0.502

momentariness

noun 0.501