complacent
/kɒmplɪsənt/Definitions
1. adjective
Lacking enthusiasm or concern; feeling or showing too much satisfaction with one’s own circumstances, often to the point of ignoring problems or opportunities for improvement.
“After winning the election, the complacent government failed to address the growing economic crisis.”
2. noun
A person who is complacent; someone who is lacking in enthusiasm or concern.
“The team’s complacent attitude led to their disappointing performance in the final game.”