1. arrogant
He is very arrogant. He always boasts about how well-educated he is.
I couldn't put up with her arrogant behavior.
People who sign their names in capital letters are often arrogant.
I have just met Brian. Is he always so arrogant?
Michał is arrogant
However, he is very severe to those pupils who do not want to study and dislikes those who are arrogant and conceited.
Paul didn't become arrogant even though he was rich.
You're an arrogant dirty foreigner who claims your dictionary is correct even though you don't understand the nuances of Japanese.
She said I was selfish and arrogant.
I cannot think of anything more arrogant than that.
I found him arrogant and rude. / The authorities had behaved arrogantly, she said.
It’s very arrogant to think you’re better than her.
It was arrogant of me to think I know what's best for you. She is very arrogant person who wants things to be done her way.
He thinks he's better than everyone else. He's so arrogant.
He made an extremely arrogant remark.
2. swollen headed
3. conceited
No-one in the office liked her because she came across as very conceited.
I don't want to sound conceited, but we are the experts here.
Everyone is more or less conceited.
No-one in the office liked her because she came across as very conceited. / Some teenage girls are so conceited. They sit in front of the mirror all day admiring themselves.
He is a conceited jerk.
He may have lowbrow tastes but at least he's not snooty and conceited.
Conceited people take it for granted that they are superior to others.
fred’s so conceited he’d never believe anyone would refuse him
He came across rather too self-confident and conceited
Without wishing to sound conceited, I am the best salesperson in the company.
Some teenage girls are so conceited. They sit in front of the mirror all day admiring themselves.
Noone in the office liked her because she seemd to be very conceited.
However, he is very severe to those pupils who do not want to study and dislikes those who are arrogant and conceited.
I'm afraid you are very conceited, Mark.
In the style of conceited people, he lards his sentences with ill-digested English words. A kind of failed dandy, deprived of class.