haste, hurry, speed, expedition, dispatch mean quickness in movement or action. haste applies to personal action and implies urgency and precipitancy and often rashness.

Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a given amount of time, while a slow-moving object …

Speed is also the rate at which something travels, expressed as the number of meters in a second. [ C ] I have a ten-speed bicycle. The error can be speedily corrected.

SPEED definition: rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity: the speed of sound. See examples of speed used in a sentence.

The speed of something is the rate at which it moves or travels. He drove off at high speed. With this type of camera, the shutter speed is fixed. An electrical pulse in a wire travels close to the speed of …

Definition of speed noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

syn: speed, velocity, celerity refer to swift or energetic movement or operation. speed may apply to human or nonhuman activity; it emphasizes the rate in time at which something travels or operates: …

Illustrated definition of Speed: How fast something is moving. Measured as distance traveled per unit of time. Example: The speed of these cars...

Speed can be a noun or verb. As a noun, it's an indicator of pace, as in the speed of a car. As a noun, it's also a drug that keeps you awake, very awake. As a verb, it means to “move along quickly,” like …

Dec 2, 2025 · This page defines and describes speed. Be sure to distinguish between speed and velocity. See Speed vs Velocity for similarities and differences. Speed is a scalar quantity that …