Definition of period
- I don't remember — period
We have had two power failures in a five-month period.
The period between Christmas and New Year's Eve is a very busy one for us.
We are studying our country's colonial period.
Children go through many changes during the period of adolescence.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'period.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1532See Words from the same year
: a length of time during which a series of events or an action takes place or is completed
: a length of time that is very important in the history of the world, a nation, etc.
: a time that is very important in the life of a person
: of, relating to, or typical of a particular time in history
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