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Added 9 October 2026

complacent

/kəmˈpleɪsənt/ adjective

Latin root: complacēns Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about complacent at Wordnik → Where our words come from →

Contented to a fault with oneself or one's actions.
he had become complacent after years of success

Origin

Borrowed from Latin complacēns (“very pleasing”), present participle of complacēre (“to please at the same time, be very pleasing”), from com- (“together”) + placēre (“to please”); see please and compare complaisant.

From Wiktionary, via Kaikki.org (CC BY-SA)

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