obtrusion

All throughout He has been speaking with authority, but has, as usual, avoided the obtrusion of His personal prerogative.

But the merits of a class are not best seen by the obtrusion of its more eminent members, but by the average.

And the eye is offended by the continual obtrusion of ulcers, cripplings, and deformities.

His constant obtrusion of himself into the matter annoyed her very much.

Where he sat with his Mary they were sheltered from any but chance obtrusion.