speed

US /spiːd/
UK /spiːd/
"speed" picture
1.

the rate at which someone or something is able to move or operate

:
•
The car reached a high speed on the highway.
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He works at a remarkable speed.
:
paceratevelocitymomentumcelerity
2.

a gear on a bicycle or in a vehicle

:
•
Shift into a higher speed on the bike.
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The car has five forward speeds.
1.

move quickly

:
•
The car began to speed down the road.
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He sped through the finish line.
:
rushhastenhurrydashrace
:
speedingspeed dialhigh-speedspeed upshutter speedspeed limitspeed trap