Definition of periodnext
1
as in monthlies
an occurrence of menstruating she hoped her period wouldn't start until she got home

Synonyms & Similar Words

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2
as in day
an extent of time associated with a particular person or thing the Romantic period in music

Synonyms & Similar Words

Synonym Chooser

How does the noun period differ from other similar words?

Some common synonyms of period are age, epoch, and era. While all these words mean "a division of time," period may designate an extent of time of any length.

periods of economic prosperity

When is age a more appropriate choice than period?

The synonyms age and period are sometimes interchangeable, but age is used frequently of a fairly definite period dominated by a prominent figure or feature.

the age of Samuel Johnson

When might epoch be a better fit than period?

In some situations, the words epoch and period are roughly equivalent. However, epoch applies to a period begun or set off by some significant or striking quality, change, or series of events.

the steam engine marked a new epoch in industry

When would era be a good substitute for period?

The words era and period can be used in similar contexts, but era suggests a period of history marked by a new or distinct order of things.

the era of global communications

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of period Tony Elar, 26, and Carol Jaworski, 64, dressed up in military garb from the French and Indian War period. Karissa Waddick, USA Today, 30 Apr. 2026 Which makes this a useful moment to revisit the period when the two biggest pop stars in the world briefly tried to operate in the same orbit. Seth Abramovitch, HollywoodReporter, 30 Apr. 2026 These equal-treatment laws were established during a period when charter supporters had more political influence. Howard Blume, Los Angeles Times, 30 Apr. 2026 Federal Reserve Chairman Jerome Powell plans to remain on the central bank's governing board for a period of time after his term as chairman ends next month. Brittney Melton, NPR, 30 Apr. 2026 See All Example Sentences for period
Recent Examples of Synonyms for period
Noun
  • Taurus April 20 – May 20 Your pace determines how steady your day feels.
    Tarot.com, Hartford Courant, 29 Apr. 2026
  • And while this is the king's first visit to his son's new home country since the rift, the four-day work trip isn't a personal one.
    Kathryn Palmer, USA Today, 29 Apr. 2026
Noun
  • Caloric restriction, for example, upset her menstruation.
    David Oliver, USA Today, 26 Apr. 2026
  • As menstruation winds down, women's levels of estrogen and progesterone drop.
    ABC News, ABC News, 6 Apr. 2026
Noun
  • Now, there is obviously another major difference between Chelsea’s past and the current era.
    Simon Johnson, New York Times, 27 Apr. 2026
  • Original mirrors from this era aren't always easy to find at an affordable price.
    Tessa Cooper, The Spruce, 27 Apr. 2026
Noun
  • O’Neal, the daughter of four-time NBA champion and Naismith Hall of Famer Shaquille O’Neal, entered the portal April 14 after two seasons at UF; former head coach Kelly Rae Finley was fired by administration in March after five seasons at the helm.
    Caroline Makauskas, The Orlando Sentinel, 28 Apr. 2026
  • During a 10-year stretch from 2012 to 2020, Rolando had 40 or more players in the program six times, peaking at 57 in 2012.
    Rick Armstrong, Chicago Tribune, 28 Apr. 2026
Noun
  • Has the state of the world, your age, anything sort of changed your motivation toward the game?
    Charles Bethea, New Yorker, 26 Apr. 2026
  • Positive Results Center empowers healing journeys, helping people of all ages discover their dreams and potential.
    Staff Photographer, Los Angeles Times, 26 Apr. 2026
Noun
  • The Late Cretaceous was the final epoch of the Mesozoic Era, which was dominated by the dinosaurs, including tyrannosaurus rex and triceratops.
    Brie Stimson, FOXNews.com, 24 Apr. 2026
  • That span of wavelengths happens to be a window into the most mysterious epoch of the universe’s history.
    Joseph Howlett, Scientific American, 8 Apr. 2026

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Cite this Entry

“Period.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/period. Accessed 2 May. 2026.

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