1. (noun) changing location rapidly

• speed
• speeding

2. (adjective) moving with great haste

• scurrying

1. (noun) changing location rapidly

• acceleration
• quickening
• speedup
• deceleration
• scud
• scudding

1. (adjective) moving with great haste

• fast

1. (noun) changing location rapidly

• motion
• move
• movement

1. (noun) changing location rapidly

• 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
• hurry
• hurry
• speed
• speed
• travel rapidly
• travel rapidly
• zip
• zip
• rapid
• speedy
• speed
• speed