accidental Englisch:

The timing of the meeting is certainly fortuitous.

Better Than Ice Meanwhile, in early 1943, two researchers at the Polytechnic Institute of Brooklyn, New York, made a fortuitous discovery: by mixing wood pulp, sawdust, or cotton wool with water and freezing the slurry, they could create a substance

He survived the accident.

As a result of the accident, several passengers were killed.

Ladies and gentlemen, due to an accident at the airport, our arrival will be delayed.

If that boy had not been killed in the traffic accident, he would be a college student now.

Did you break the window on purpose or by accident?

I found the secret compartment quite by accident.

Your assumption that his death was an accident seems to be wrong.

Just when I was getting the hang of things, I was in a traffic accident and had to stay two months in the hospital.

He'll have an accident one of these days if he keeps driving like that.

Needless to say, because of the accident, he will stay away from school for a while.

I couldn't but sympathize with the girl who had lost her parents in the accident.

Since the accident, Tom has given up hope of becoming a professional dancer.

You have only to read this article to see how serious the accident was.

Never in my life have I seen such a terrible accident.

Tom admitted that it was due to his carelessness that the accident had happened.

That is rather unexpected.

I will be able to see you tomorrow unless something unexpected turns up.

When you have things you don't understand written on you, what will you do, if you get unexpected results?

To believe that an unexpected big fortune will come your way is to build a castle in Spain.

We had to dip into our savings in order to pay the unexpected medical expenses.

Insurance makes us remember that the world we live in isn't completely safe; we might fall ill, face danger or encounter the unexpected.

When there were unexpected expenses in the household of me and my wife, we could not avoid pawning our belongings.

I thought I had him in a corner, but then he pulled an unexpected move and completely turned the tables on me.

You don't need to bring up "A Winter Sonata" to show that South Korean culture is having an unexpected boom in Japan.

Our grandparents paid us an unexpected visit last weekend, and it was great to see them.

Jean had an unexpected call from her Australian cousin in the middle of the night.

We got an unexpected present from him. I guess he felt a little obligated after what we did for him.

Since unexpected incidents occurred one after another, the exhibition was called off.

The unexpected windfall has put my brother and his wife on easy street.

This unexpected malfunctioning of the system was caused by improper wiring.

intentional planned, deliberate

Something that is intentional on the part of the perpetrator; it has to involve some kind of power imbalance, so it's not an argument between equals, and it's something that is repetitive.