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English definition of “speed”

speed

verb [I/T]    /spid/ (past tense and past participle sped  /sped/ or speeded)
to move, go, or happen fast, or to cause something to happen fast: [I] The train sped along at over 120 miles per hour. [I] This year seems to be speeding by/past. [T] Ambulances sped the injured people (= moved them quickly) away from the scene.
(Definition of speed verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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