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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of headache

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  headache
      n 1: something or someone that causes anxiety; a source of
           unhappiness; "New York traffic is a constant concern";
           "it's a major worry" [syn: {concern}, {worry}, {headache},
           {vexation}]
      2: pain in the head caused by dilation of cerebral arteries or
         muscle contractions or a reaction to drugs [syn: {headache},
         {head ache}, {cephalalgia}]

Source : WordNet ® Princeton University. 2010.

Use this dictionary checker to learn more about a word - find out its meaning and also make sure whether that word is a valid word in any of these dictionaries (used by popular word games). Here is the list of dictionaries it checks for :

OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
SOWPODS / CSW : UK and the rest of the world uses this dictionary for various word games including scrabble.
ENABLE - This is the default dictionary for Words with Friends.

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