Speed

/spiːd/ · noun

Meaning

The state of moving quickly or the capacity for rapid motion..

Definitions by Sense

1. The state of moving quickly or the capacity for rapid motion.
2. (mathematics, physics) The rate of motion or action, specifically the magnitude of the velocity; the rate distance is traversed in a given time.
3. (photography) The sensitivity to light of film, plates or sensor.
4. (photography) The duration of exposure, the time during which a camera shutter is open (shutter speed).
5. (photography) The largest size of the lens opening at which a lens can be used.
6. (photography) The ratio of the focal length to the diameter of a photographic objective.
7. (slang, uncountable) Amphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally.
8. (archaic) Luck, success, prosperity.

Example Sentences

How does Usain Bolt run at that speed?

Returne with ſpeed, time paſſeth ſwift away, Our life is fraile, and we may dye to day.

Speed limits provide information to the drivers about the safe speed to travel in average conditions.

Train positions and speeds were established by a track magnet at each milepost, which produced a suitable mark on the punched recording tape whenever a train passed.

I don’t even like speed. It’s alright if ya wanna stay awake for three days an’ clean yer room, but I’m terrible on no sleep. It just makes me anxious.

St. Francis be my ſpeed, how oft to night / Haue my old feet ſtumbled at graues?

O Lord God of my master Abraham, I pray thee, send me good speed this day.

We could go to the shore next week, or somewhere else if that's not your speed.

Synonyms for speed

Antonyms for speed

Related Words

Word Forms

• speeds
• speeding
• sped
• speeded

Usage Notes

Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.

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