Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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speed

speed

 
pronunciation:
spid
parts of speech:
noun, verb
features:
Word Explorer
part of speech: noun
definition 1: the act of moving rapidly or swiftly.
The bicycle picked up speed as he rode down the hill.
synonyms:
quickness, swiftness, velocity
similar words:
haste
definition 2: rate of motion.
This jet can travel at the speed of sound.
synonyms:
velocity
similar words:
clip, pace
 
part of speech: verb
inflections: speeds, speeding, sped, speeded
definition 1: to go or cause to go faster (usually followed by "up").
The driver sped up his car to win the race.
synonyms:
accelerate, hasten, rush
antonyms:
slow
similar words:
increase, precipitate
definition 2: to drive a vehicle faster than the law allows.
Because he was speeding, he got a ticket.
definition 3: to move rapidly or swiftly.
She speeded across the street.
synonyms:
hasten, hurry, rush
similar words:
bolt, course, dart, dash, flee, fly, hurtle, hustle, race, run, scamper, scoot, scurry, sprint, tear, zip, zoom
definition 4: to act or perform at a fast pace (usually followed by "up").
We will speed up our work on the project.
synonyms:
hasten, hurry
similar words:
accelerate, hustle, rush
derivation: speeder (n.)
Word Explorer
See
  car, measurement