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Synonyms

critical period

British  

noun

  1. psychol a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“The real critical period is going to be the next 90 days,” he said.

From The Wall Street Journal • May 4, 2026

The authorities at the park say additional monitoring and protection measures have been put in place to ensure the twins' survival during this critical period.

From BBC • Jan. 7, 2026

The trajectory of the market will depend on where costs are during a critical period beginning in late January.

From Barron's • Jan. 6, 2026

Lingering distortions might make it harder for investors and policymakers to track inflation during a critical period when many are hyperfocused on how big changes to trade, immigration and fiscal policy are affecting the economy.

From The Wall Street Journal • Dec. 18, 2025

It is essential to the maintenance of democracy and the progress of humanity that the United States face this critical period with the most efficient and harmonious electorate possible.

From The Unpopular Review, Number 19 July-December 1918 by Various