American English

Definition of double verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they double
    he / she / it doubles
    past simple doubled
    -ing form doubling
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    become twice as much/many
  1. 1[intransitive, transitive] to become, or make something become, twice as much or as many Membership almost doubled in two years. double something Double all the quantities in the recipe to make enough for eight people.
  2. fold
  3. 2[transitive] double something (over) to bend or fold something so that there are two layers She doubled the blanket and put it under his head.
  4. in baseball
  5. 3[intransitive] to hit the ball far enough for you to get to second base He doubled to left field.
  6. Phrasal Verbsdouble as somethingdouble backdouble up (on something/with somebody)double up/over
See the Oxford Advanced Learner's Dictionary entry: double