きざ気障kiza
1.

A manner or style that appears overly refined or sophisticated, often intended to impress others, which can come across as insincere or showy.

2.

A demeanor or attitude that evokes feelings of discomfort or annoyance due to its affected nature or pretentiousness.

3.

Behavior or expression that is characterized by an artificial display of elegance, which may be perceived as smug or condescending by others.

4.

A quality of being overly concerned with appearances or sophistication, leading to actions or speech that feel forced or excessively self-aware, often creating a negative impression.

Example:

彼らは彼のきざな話し方を笑った。