Which is more terrible to marry the wrong person or not to marry?

Marrying the wrong person. 

Marry the wrong person ......

"It's better to be alone than in bad company." - George Washington.

"I use to think the worst thing would be to end up alone. It's not. The worst thing is to end up with people who make you feel all alone." - Robin Williams. 

Does that answer your question?

It is terrible to marry the wrong person .There should be compatibility  in marriage . Partners should see eye to eye with regard to matters of mutual interest . 

Marrying the wrong person is far, far worse than not marrying at all.

When you're single, you can be alone, but not feel lonely. You can pursue your passions and dreams.

If you're married to the wrong person, you are far more than lonely. The wrong person kills your dreams, suffocates your soul. When marry the wrong person, you think about the wedding vow "til death do us part" and think of it as your way to freedom from your miserable life.

Marrying the wrong person; Seeing, hearing wrong person every day and nite, is nerve grinding, will make you very sick.

Marrying Mr.Wrong.

To KNOW you are marrying the wrong person at the time of your marriage.  To claim that person to be the wrong person after the fact is something completely different.

It is worst to marry the wrong person! If they are only "interested" you will end up loosing a lot of your assets if not all. If they are violent you will end up hurt if not dead. If they are toxic you will end up depressed. It is better to get to know the person you are marrying. And it is better to be single than married to the wrong person! 

I am not married. I have four brothers and sisters. Between them there are 14 divorces and remarriages. I am not in a hurry to get married.