Definition of speed verb from the Oxford Advanced American Dictionary

      

    speed

     verb
    verb
    NAmE//spid//
     
    In senses 1 and 2 sped is also used for the past tense and past participle.Verb Forms present simple I / you / we / they speed
     
    he / she / it speeds
     
    past simple speeded
     
    -ing form speeding
     
     
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    move/happen quickly
  1. 1[intransitive] + adv./prep. (formal) to move along quickly The car sped along the road toward the village. He sped away on his bike. They sped off to get help.
  2. 2[transitive] speed somebody/something + adv./prep. (formal) to take someone or something somewhere very quickly, especially in a vehicle The cab speeded them into the center of the city.
  3. 3[transitive] speed something (formal) to make something happen more quickly The drugs will speed her recovery.
  4. drive too fast
  5. 4[intransitive] (usually used in the progressive tenses) to drive faster than the speed that is legally allowed The police caught him speeding.
  6. Phrasal Verbsspeed up
See the Oxford Advanced Learner's Dictionary entry: speed