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speed limit
speed merchant
speed of light
speed of sound
speed-read
speed skate
speed skating
speed trap
speed up
speed walking
speed wobbles
speed zone
speedball
speedboat
speeder
speeding
speedo
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speed up
speed up


transitive and intransitive verb 
Definition:
 
increase in rate or speed: to increase in rate or speed, or make somebody or something do this
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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