speed

Definitions

The rate at which someone or something is able to move or operate.

Rapidity of movement or action.

The magnitude of the velocity of an object.

Examples

The cheetah is known for its incredible speed when hunting prey.

You should reduce your speed when driving through a school zone.

Synonyms

velocity rapidity swiftness haste pace quickness briskness

Antonyms

slowness sluggishness delay lethargy languor tardiness inertia