period Definition

  • 1a length or portion of time
  • 2a punctuation mark (.) used to indicate the end of a sentence or an abbreviation
  • 3a recurring cycle of physiological changes in female mammals, typically lasting around 28 days, that prepares the body for pregnancy

Using period: Examples

Take a moment to familiarize yourself with how "period" can be used in various situations through the following examples!

  • Example

    The Jurassic period lasted about 56 million years.

  • Example

    She has a two-week period of vacation every year.

  • Example

    Use a period at the end of a sentence.

  • Example

    The company's fiscal reporting period ends on December 31st.

  • Example

    She missed her period and took a pregnancy test.

period Synonyms and Antonyms

Antonyms for period

Idioms Using period

  • the end of a particular phase or situation


    The end of the school year marks the end of a period for students.

  • used to emphasize the finality of a statement or to indicate that no further discussion is possible


    I don't want to talk about it anymore, full stop.

  • having one's menstrual period


    She couldn't go swimming because she was on her period.

Phrases with period

  • an amount of time


    He has been working there for a long period of time.

  • a period of time after a payment is due, during which a penalty is waived


    The credit card company offers a 10-day grace period for late payments.

  • a work of art, literature, or music that is set in or reminiscent of an earlier time period


    The movie is a period piece set in the 1920s.

Origins of period

from Latin 'periodus', from Greek 'periodos', meaning 'a complete cycle'


Summary: period in Brief

The term 'period' [ˈpɪəriəd] refers to a length or portion of time, often recurring in cycles. It can also denote a punctuation mark used to end a sentence or an abbreviation. Additionally, it refers to the menstrual cycle in female mammals. Examples include 'The Jurassic period,' 'Use a period at the end of a sentence,' and 'She missed her period and took a pregnancy test.' Phrases include 'period of time,' 'grace period,' and 'period piece.'

How do native speakers use this expression?