SPEED • DICTIONARY ONE.COM • Definition of Speed

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Speed

noun

1.

Distance travelled per unit time. Synonym: velocity.

2.

A rate (usually rapid) at which something happens. Synonyms: fastness, swiftness.

3.

Changing location rapidly. Synonyms: hurrying, speeding.

4.

The ratio of the focal length to the diameter of a (camera) lens system. Synonyms: f number, focal ratio, stop number.

5.

A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression. Synonyms: amphetamine, pep pill, upper.

verb

(past & past part. sped, speeded; pres. part. speeding)

1.

Move fast. Synonyms: belt along, bucket along, cannonball along, hasten, hie, hotfoot, pelt along, race, rush, rush along, step on it. "The cars raced down the street" Antonym: linger.

2.

Move faster. Synonyms: accelerate, quicken, speed up. Antonym: decelerate.

3.

Move very fast. Synonyms: hurry, travel rapidly, zip.

4.

Travel at an excessive or illegal velocity.

5.

Cause to move faster. Synonyms: accelerate, speed up. Antonym: decelerate.

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WordNet 3.0 © 2010 Princeton University

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"Speed" Quotes from Famous Books

... and left. He soon had to give up thought of finding them, but made the coachman turn round and round again. All day he drove about, far into the country, and kept urging the driver to use greater speed. He was in a strange state of hurry and elation. Finally, he dined at a little country inn; and this gave the measure of ...

— Forsyte Saga • John Galsworthy

... out for the buoys, sir," said the gruff-voiced man, as the breeze freshened up and the heavy boat quickened her speed. ...

— The Ebbing Of The Tide - South Sea Stories - 1896 • Louis Becke

... it inside of thirty days, when our stops aren't too long," returned the captain. "Of course the P. & O. liners, being mail-carriers, do it in much less time. But they're built for speed, and make fewer stops. Then, we tramp steamers always give them the right of ...

— All Aboard - A Story for Girls • Fannie E. Newberry

... smooth ground at a good pace—we shall save time to spare when we come to the difficult places," observed Ernest to Buttar, as they were waiting for the Doctor's signal to start. It was given—and away they went; steady at first, but gradually increasing their speed as they found that they could easily draw breath. They met with no impediments in the way. They easily leaped the brooks they encountered. The old couple in Ashby-lane stared at them, and wondered where ...

— Ernest Bracebridge - School Days • William H. G. Kingston

... of heaven. But in the soul of man alone is this longing changed to certainty and fulfilled. For lo! thelight of the sun and the stars shines through the air, and is nowhere visible and seen; the planets hasten with more than the speed of the storm through infinite space, and their footsteps are not heard, but where the sunlight strikes the firm surface of the planets, where the stormwind smites the wall of the mountain cliff, there is the one seen and the other heard. Thus is the glory of God made visible, and ...

— Hyperion • Henry Wadsworth Longfellow

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