Piaget

American  

[pee-uh-zhey, py-ah-, pya-zhe] / ˌpi əˈʒeɪ, ˌpy ɑ-, pyaˈʒɛ /

noun

1. Jean 1896–1980, Swiss psychologist: studied cognitive development of children.

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Piaget British  

/ pjaʒɛ /

noun

1. Jean (ʒɑ̃). 1896–1980, Swiss psychologist, noted for his work on the development of the cognitive functions in children

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Example Sentences

Swiss jeweler and watchmaker Richemont, home to brands such as Vacheron Constantin and Piaget, will publish results for its fiscal first half on Nov. 14.

From The Wall Street Journal • Oct. 21, 2025

According to sharp-eyed Weibo users, American skincare brand La Mer, French luxury brand Louis Vuitton and Swiss watchmaker Piaget have all scrubbed Jun from their social media accounts.

From BBC • Sep. 22, 2025

Piaget Ventus and Sean Gallagher filed a lawsuit against the National Restaurant Association alleging fraud on the same day the New York Times printed the overtly anti-National Restaurant Association article cited in The Post’s article.

From Washington Post • Feb. 10, 2023

She imagined herself as the canine-behavior equivalent of the Swiss psychologist Jean Piaget, who used his own children as subjects in formulating his theories of developmental psychology.

From New York Times • Sep. 18, 2022

Edited with     introd., notes & vocabulary by     Lewis Piaget Shanks & Richard     Parker. © 25Jun36; A96365.

From U.S. Copyright Renewals, 1963 July - December by Library of Congress. Copyright Office