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speed

A2 Topic:Physics
US /spiːd/
Freq #1432

Meanings

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Verb forms

Verb forms are not available for this word yet.

Thesaurus

Synonyms
1 noun · how fast something moves or... velocityrapidity
2 noun · the quality of moving or... swiftness
3 verb · to move very fast. hurryzip
Word family
Forms spedspeededspeeds
Derived forms airspeedbespeeddespeeddispeedfootspeedforespeedfour-speedgod-speedgodspeedgroundspeedhigh-speedhydrospeed

Appears in

Simplified etymology

Speed is an Old English word from a Germanic root meaning “prosper” or “succeed,” a sense preserved in Godspeed. Its familiar meaning of rapid movement probably developed through the association of doing something successfully with doing it quickly.

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…

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