NSW Opportunity Class
Complacency
noun/kum-PLAY-sun-see/
A smug, careless feeling of being satisfied so you stop trying.
In contextHer complacency about spelling meant she never checked her work.
Remember it
Complacency sounds like 'come, lazy' — being too pleased and lazy to keep trying.
Use it well
Use 'complacency' for a harmful, over-comfortable attitude that stops effort.