English Reference
noun

headache

n.
US /ˈhɛˌdeɪk/ UK /hˈɛdeɪk/ headache UK spelling headache's, headache's

  1. 01 A2 Elementary Medicine

    a pain or ache inside your head.

    a continuous pain in the head, ranging from mild discomfort to severe migraine.

    Simple

    I need to lie down because I have a terrible headache from the loud music.

    In context

    The patient reported a persistent, throbbing headache that worsened whenever he was exposed to bright fluorescent lighting.

    Pitfall
    I have a head ache. I have a headache.

    Headache is written as one single word, not two separate words.

  2. 02 B2 Upper Intermediate Informal

    something that causes you a lot of worry or trouble.

    a person or situation that causes significant annoyance, worry, or difficulty. Often used in professional or logistical contexts.

    Simple

    Organising the office party was a real headache because everyone wanted different food.

    In context

    The sudden change in tax regulations has created a major administrative headache for small business owners across the country.


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

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old English hēafodeċe
Level A2 · Elementary
Frequency Frequent
Updated