headache

Meanings

1. 1
   noun

   A pain or ache in the head.

   I have a splitting headache after that party last night.

2. 2
   noun

   A nuisance or unpleasant problem.

   The clumsy filing system has been a huge headache.

3. 3
   noun

   something or someone that causes anxiety

4. 4
   noun

   pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs

Etymology

From Middle English hevedeche, from Old English hēafodeċe, equivalent to head + ache.