Handsome can't be used casually?

You can't just use it without asking.

Handsome, an English word, is mainly used as an adjective, meaning (man) handsome; Considerable; Generous, generous; Strong and noble.

Handsome Harry Handsome Harry; Movies; hero

Handsome suit handsome suit; king

preferential treatment

Example:

Who is that handsome man?

Although he may not be the handsome man that some girls think.

Although he is not that man, some girls think he is a handsome man.

The men who are not so handsome but are nice men with money think we are only after their money.