English Reference

Word

pill

US/ˈpɪɫ/

UK/pˈɪl/

Definitions

01medicine

A2 · Elementary Countable noun Medicine

n. a small, solid piece of medicine that you swallow whole.

n. a small, typically round or cylindrical medicated mass intended to be swallowed whole.

“The doctor told him to take one pill every morning with a glass of water.”

“The patient was prescribed a daily pill to manage his blood pressure, with strict instructions not to skip any doses.”

Synonyms

02birth control

B1 · Intermediate Uncountable noun Medicine

n. a medicine taken by women to prevent becoming pregnant.

n. an oral contraceptive medication, typically referred to with the definite article as 'the pill'.

“She went to the clinic to talk to her doctor about starting the pill.”

“Since the introduction of the pill in the 1960s, reproductive healthcare and social norms have shifted significantly.”

Usage

Usually used with 'the' as in 'the pill'.

Synonyms

03annoying person

C1 · Advanced Countable noun Informal

n. a person who is very annoying or unpleasant to be around.

n. a person perceived as disagreeable, tedious, or socially tiresome.

“Stop complaining about everything; you are being such a pill today.”

“Although he was a brilliant architect, his colleagues found him to be a bit of a pill during long project meetings.”

Synonyms

Antonyms

04fabric fuzz

C2 · Proficiency Countable noun Technical

n. a tiny ball of fibers that forms on the surface of clothes or blankets.

n. a small ball of matted fibers formed on the surface of a textile through friction or wear.

“This old sweater is covered in pills and needs to be cleaned.”

“Low-quality synthetic blends are particularly prone to developing pills after only a few cycles in the washing machine.”

Synonyms

fuzzballlint

05to form fuzz balls

C2 · Proficiency Technical

v. when clothes get small, annoying balls of fluff on them after being worn or washed.

v. to form small matted balls of fiber on the surface of a fabric, typically due to abrasion.

“I stopped wearing that scarf because the wool started to pill almost immediately.”

“The manufacturer claimed the new fabric blend would not pill, yet customers reported surface wear within weeks of purchase.”

Usage

Intransitive verb.

Collocations

Common phrases and expressions where native English speakers use the word “pill” in context.

Verb

01. be on the pill

“She has been on the pill for several years to manage her hormonal symptoms.”

verb + prep + noun

02. prescribe a pill

“My GP decided to prescribe a pill to help lower my blood pressure.”

verb + noun

03. swallow a pill

“The doctor told me to swallow the pill with a full glass of water.”

verb + noun

Adjective

04. bitter pill

“Losing his job was a bitter pill to swallow after ten years of service.”

adj + noun

05. sleeping pill

“He took a sleeping pill because he was struggling with insomnia.”

adj + noun

Noun

06. course of pills

“You must finish the entire course of pills even if you feel better.”

noun + of + noun

07. pill bottle

“Make sure you keep the pill bottle out of the reach of children.”

noun + noun

Real-World Examples

“Ahead of a red carpet event for the hit series Heroes, she has said someone on her team handed her a pill to help amp up her energy.”
BBC News 21 Aug 2026
“A new weight loss pill from Wegovy is now available to buy privately from High Street and online pharmacies in the UK - but is not yet on the NHS.”
BBC News 7 Aug 2026

Etymology

* From Middle English pille (also pillem), a borrowing from Middle Low German pille or Middle Dutch pille (whence Dutch pil), probably from Latin pila, pilula. * (persuade or convince): Generalized from red pill.

From Middle English pillen, pilen, from Old English pilian (“to peel”), from Latin pilō (“depilate”), from pilus (“hair”). Doublet of peel.

From Middle English pill, pyll, from Old English pyll (“a pool, pill”), from Proto-Germanic pullijaz (“small pool, ditch, creek”), diminutive of Proto-Germanic pullaz (“pool, stream”), from Proto-Indo-European *bl̥nos (“bog, marsh”). Cognate with Old English pull (“pool, creek”), Scots poll (“slow moving stream, creek, inlet”), Icelandic pollur (“pond, pool, puddle”). More at pool.

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

Idioms

This entry

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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