spike - definition and synonyms

verb 

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/spaɪk/
present tense
I/you/we/theyspike
he/she/itspikes
present participlespiking
past tensespiked
past participlespiked
  1. 1
    [transitive] to secretly put an illegal drug into a drink or food
  2. 2
    [transitive] in the sport of volleyball, to hit the ball downwards very hard
  3. 3
    [transitive] British informal to refuse to publish something in a newspaper or magazine
  4. 4
    [intransitive] mainly American informal to increase suddenly

    Their stock prices spiked on news of the merger.