Word
headache
US/ˈhɛˌdeɪk/
UK/hˈɛdeɪk/
Definitions
01physical pain
A2 · Elementary Countable noun Medicine
n. a pain or ache inside your head.
n. a continuous pain in the head, ranging from mild discomfort to severe migraine.
日本語:頭痛※
“I need to lie down because I have a terrible headache from the loud music.”
“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.
Synonyms
02a problem
B2 · Upper Intermediate Countable noun Informal
n. something that causes you a lot of worry or trouble.
n. a person or situation that causes significant annoyance, worry, or difficulty. Often used in professional or logistical contexts.
“Organising the office party was a real headache because everyone wanted different food.”
“The sudden change in tax regulations has created a major administrative headache for small business owners across the country.”
Etymology
From Middle English hevedeche, from Old English hēafodeċe, equivalent to head + ache.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
- Frequency
- Frequent
- Level
- A2 · ElementaryOxford
- Updated
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QR code
englishreference.com/q/headache
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0