American English

Definition of treble verb from the Oxford Advanced American Dictionary



    [intransitive, transitive]Verb Forms present simple I / you / we / they treble
    he / she / it trebles
    past simple trebled
    -ing form trebling
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  1. 1to become, or to make something, three times as much or as many synonym triple
  2. 2 Cases of food poisoning have trebled in the last two years. treble something He trebled his earnings in two years.
See the Oxford Advanced Learner's Dictionary entry: treble

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