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headache - definition and synonyms

 
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noun [countable] headache pronunciation in British English /ˈhedeɪk/
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singularheadache
pluralheadaches
  1. 1
    a pain in your head

    I’ve got a splitting headache (=an extremely bad headache).

    give someone a headache:

    The noise was giving her a headache.

  2. 2
    informal something that causes you a lot of problems

    Parking is a major headache in this part of town.

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