headache

noun

head·​ache ˈhed-ˌāk How to pronounce headache (audio)
Synonyms of headachenext
1
: pain in the head
2
: a vexatious or baffling situation or problem
… meetings had become a giant headache.Franklin 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.
Despite the behind-the-scenes headaches, the movie is already proving to be worth the hefty price tag. Rebecca Rubin, Variety, 26 Apr. 2026 Her friend, Cheryl Appel-Schumacher, later testified that Ratliff had been suffering from headaches prior to her death, per CNN. Caroline Blair, PEOPLE, 26 Apr. 2026 This will mean that the US can produce the B-21 in numbers faster, but any undiscovered faults with the design could cause major headaches down the line. Christopher McFadden, Interesting Engineering, 26 Apr. 2026 Signs of a stroke can be identified by sudden numbness or weakness in the face, arm, or leg; sudden confusion, trouble speaking, or difficulty understanding speech; issues with eyesight; loss of balance, dizziness, and difficulty walking; and severe headache with no identifiable cause. Anthony Robledo, USA Today, 25 Apr. 2026 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 28 Apr. 2026.

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

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