Meaning of the word complacency in English

What does complacency mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

complacency

US /kəmˈpleɪ.sən.si/
UK /kəmˈpleɪ.sən.si/
"complacency" picture

Noun

a feeling of smug or uncritical satisfaction with oneself or one's achievements, often accompanied by unawareness of actual dangers or deficiencies

Example:
There is no room for complacency if we want to stay ahead of the competition.
The team's complacency led to an unexpected defeat in the final minutes.