Word Pronunciation & Dictionary

speed

/spiːd/

Word Rarity Common

Frequency: Zipf frequency 5.00 in modern English

Syllables
speed
IPA
/spiːd/
8
Scrabble Score
5
Letters
1
Syllables
4
Unique Chars

Meaning

noun

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

Countable; Uncountable

noun

The rate of motion or action, specifically the magnitude of the velocity; the rate distance is traversed in a given time.

Countable; Uncountable

noun

The sensitivity to light of film, plates or sensor.

Countable; Uncountable

noun

The duration of exposure, the time during which a camera shutter is open (shutter speed).

Countable; Uncountable

noun

The largest size of the lens opening at which a lens can be used.

Countable; Uncountable

noun

The ratio of the focal length to the diameter of a photographic objective.

Countable; Uncountable

noun

Amphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally.

Slang; Uncountable

noun

Luck, success, prosperity.

Archaic; Countable; Uncountable

Example Sentences

Etymology

From Middle English sped (“prosperity, good luck, quickness, success”), from Old English spēd (“success”), from Proto-West Germanic *spōdi (“prosperity, success”), from Proto-West Germanic *spōan, from Proto-Germanic *spōaną (“to prosper, succeed, be happy”), from Proto-Indo-European *speh₁- (“to prosper, turn out well”). Cognate with Scots spede, speid (“success, quickness, speed”), Dutch spoed (“haste; speed”), German Low German Spood (“haste; speed; eagerness; success”), German Sput (“progress, acceleration, haste”). Related also to Old English spōwan (“to be successful, succeed”), Albanian shpejt (“to speed, to hurry”) and Russian спеши́ть (spešítʹ, “to hurry”), Latin spēs (“hope, expectation”), spērō (“hope”, verb), perhaps also to Ancient Greek σπεύδω (speúdō, “to urge on, hasten, press on”).

Origin

Word Breakdown

  • Root: *speh₁-, sped, spēd, *spōdi, *spōan, *spōaną

Usage

Inflected Forms

Derived Forms

Phrases

Frequently Paired Words

metre meter per second m/s kilometre kilometer per hour km/h knot kt

Synonyms

Homonyms

Rhymes With

Questions

How do you pronounce speed?
The recorded pronunciation is /spiːd/.
What does speed mean?
The state of moving quickly or the capacity for rapid motion.
Where does speed come from?
It is traced to Middle English.

How to pronounce speed

  1. Open the pronunciation page — Open the Speakur entry for “speed”.
  2. Read the phonetic spelling — Read the IPA spelling (/spiːd/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “speed”.
  4. Repeat and practice — Say “speed” aloud, matching stress and vowels until it feels natural.