Smug means having an expression or attitude of self-satisfaction, often with a hint of superiority. It can also refer to something that is smug, such as a place or person who exudes confidence and complacency.
Usage examples
The politician had a smug smile on his face as he confidently proclaimed victory in the election.
Sarah's smug attitude was evident when she won the spelling bee and flaunted her trophy to her classmates.
As Mark received his promotion, he couldn't help but feel smug as he observed his co-workers' envy.
The detective wore a smug expression as he revealed the culprit's identity, knowing he had solved the case before anyone else.
After acing the difficult exam, Rachel walked out of the classroom with a smug air of accomplishment.
By moving away from generic aims and tailoring a personal set of goals that can work for YOU, you'll feel smug in February when you're still going strong on the resolutions you set today. (freeandsingle.com)