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English definition of “pill”

pill

noun [C] uk   /pɪl/ us  

pill noun [C] (MEDICINE)

B1 a small solid piece of medicine that a person swallows without chewing (= crushing with the teeth): a sleeping pill a vitamin pill My mother takes three or four pills a day. Jamie's always had trouble swallowing pills. the pill a type of pill for women that is taken every day in order to prevent them from becoming pregnant: Are you on the pill?

pill noun [C] (PERSON)

US an annoying person: Jennifer was being such a pill today.

pill noun [C] (ON CLOTHING)

US (UK bobble) a small ball of threads that develops on the surface of clothes or material: She sat there sulking and picking the pills off her sweater.

pill

verb [I] uk   /pɪl/ US (UK bobble) us  
If a piece of clothing or material pills, it develops small balls of threads on its surface.
(Definition of pill from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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