Adjective doubled has 2 senses
  1. double, doubled, twofold - twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase"
    Antonym: single (indirect, via multiple)
  2. doubled - folded in two; "doubled sheets of paper"
    Antonym:
    unfolded (indirect, via folded)
,Verb double has 6 senses
  1. double, duplicate - increase twofold; "The population doubled within 50 years"
    --1 is one way to multiply, manifold
    Derived forms: noun double4, noun doubling1, noun doubling2
    Sample sentences:
    They double their earnings this year
    Their earnings double this year
  2. double - hit a two-base hit
    --2 is one way to
    hit
    Derived form: noun double1
    Sample sentence:
    Somebody ----s
  3. double over, double, double up - bend over or curl up, usually with laughter or pain; "He doubled and vomited violently"
    --3 is one way to bend, flex
    Sample sentence:
    Somebody ----s
  4. double - do double duty; serve two purposes or have two functions; "She doubles as his wife and secretary"
    --4 is one way to
    function, work, operate, go, run
    Sample sentence:
    It is ----ing
  5. double - bridge: make a demand for (a card or suit)
    --5 is one way to
    bid, call
    Derived form: noun double5
    Sample sentence:
    Somebody ----s something
  6. duplicate, reduplicate, double, repeat, replicate - make or do or perform again; "He could never replicate his brilliant performance of the magic trick"
    --6 is one way to reproduce
    Derived form: noun double4
    Sample sentence:
    Somebody ----s something
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