headache.
A pain or ache in the head.
Meaning & usage
A pain or ache in the head.
I have a splitting headache after that party last night.
I advise you to take some painkillers for the headache, it's probably nothing serious.
A nuisance or unpleasant problem.
The clumsy filing system has been a huge headache.
Where this word comes from
From Middle English hevedeche, from Old English hēafodeċe. By surface analysis, head + ache.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.