headache

noun

head·​ache ˈhed-ˌāk How to pronounce headache (audio)
1
: pain in the head
2
: a vexatious or baffling situation or problem
meetings had become a giant headacheFranklin Foer
headachy adjective
or less commonly headachey

Examples of headache in a Sentence

I'm starting to get a headache. The symptoms include fever and headache. The city's biggest headache is traffic. Managing your finances can be a real headache.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Avantree Cord Organizer $7 at Amazon Cord clutter is a universal travel headache. Rosie Marder, Travel + Leisure, 23 Mar. 2025 While blazes like this one can be a major headache for people, fire is also a critical part of South Florida’s ecosystem — particularly the Everglades. Alex Harris, Miami Herald, 22 Mar. 2025 The teachers union has been without a contract since last June, a widening headache for Johnson as he’s found himself in the unusual predicament of feuding with his schools chief while attempting to muscle his agenda through a divided hybrid Board of Education. Nell Salzman, Chicago Tribune, 20 Mar. 2025 Adverse effects of psilocybin, including headache and nausea, typically resolve within one to two days. Kate Ruder, CBS News, 19 Mar. 2025 See All Example Sentences for headache

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of headache was before the 12th century

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Cite this Entry

“Headache.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headache. Accessed 30 Mar. 2025.

Kids Definition

headache

noun
head·​ache ˈhed-ˌāk How to pronounce headache (audio)
1
: pain in the head
2
: an annoying or baffling situation or problem
headachy adjective

Medical Definition

headache

noun
head·​ache ˈhed-ˌāk How to pronounce headache (audio)
: pain in the head

called also cephalalgia

headachy adjective

More from Merriam-Webster on headache

Last Updated: - Updated example sentences
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