Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “period”

period

noun [C] (BLOOD)    /ˈpɪə.ri.əd/ US  /ˈpɪr.i-/
the bleeding from a woman's womb that happens once a month when she is not pregnant: period pains She'd missed a period and was worried.Processes and stages connected with sexual reproduction
(Definition of period noun (BLOOD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of period

Definitions of “period” in other dictionaries

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More