The director has not been provided with living accommodation by reason of his office, and any occupation of the property by him is purely incidental.

Alien was purely incidental to the fact that finally he would have Lara under his roof.

What the robot did was purely incidental.

If I was able to learn anything along the way, that would be purely incidental!

As a consequence the premise-a second-rate national park-is purely incidental.

They were, in most cases, purely incidental to the goal.

It was a first "step on the road, just the metal of which the key is made, purely incidental.

Tom is quick to insist his discoveries have been purely incidental.

The fact that he also happened to be a professional assassin was purely incidental.

Although that is purely incidental, it is aimed at the realisation of the goals which we share here with so many people.