1. (noun) a rate (usually rapid) at which something happens

• fastness
• speed

1. (noun) a rate (usually rapid) at which something happens

• execution speed
• graduality
• gradualness
• haste
• hastiness
• hurriedness
• hurry
• precipitation

1. (noun) a rate (usually rapid) at which something happens

• pace
• rate

1. (noun) a rate (usually rapid) at which something happens

• accelerate
• quicken
• speed
• speed up
• accelerate
• speed
• speed up
• belt along
• bucket along
• cannonball along
• hasten
• hie
• hotfoot
• pelt along
• race
• rush
• rush along
• speed
• step on it
• fast
• fast
• fast
• flying
• quick
• fleet
• swift
• hurry
• speed
• travel rapidly
• zip
• quick
• speedy
• speed