by accident

A number of these were about to go off by accident.

The show, and the body of work itself, came about by accident.

Life and art have come, as if almost by accident, too close together.

More often, the son gets into the business by accident.

You're much more likely to run into people by accident.

The most important move in the race came by accident.

You must have run across the thing more or less by accident.

What if you make one of them do something by accident?

We had it a couple of weeks ago by accident.

He came to the door of the little hospital by accident.