complacent
/kəmˈpleɪsənt/
adjective
- Showing smug or uncritical satisfaction with oneself or one's achievements, often without awareness of potential problems or dangers.
- The complacent student didn't bother to review the material and failed the test.
- She became complacent in her job and stopped looking for ways to improve.
- A complacent attitude toward cybersecurity can lead to serious data breaches.
Synonyms