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.
: 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
What made you want to look up period? Please tell us where you read or heard it (including the quote, if possible).
subject to rapid or unexpected change
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