Some just come across as being smug and narcissistic, but are they really any better than you, the consensus being they’re not. It’s their condescending attitude, the air of arrogance they project, assuming they’re simply just more superior than you or anyone else.
The reason its found, is they’re usually masking low self-esteem issues, and don’t even realize it.
There’s no one definition why some come across this way, as the superiority they project doesn’t justify or make them very likeable.
Only they know the reasons why they display this …