obtrusion

The act of obtruding; an undue and unsolicited thrusting forward of something upon the notice or attention of others, or that which is obtruded or thrust forward: as, the obtrusion of crude opinions on the world.

The act of obtruding; a thrusting upon others by force or unsolicited.

That which is obtruded.

An interference or intrusion

An encroachment beyond proper limits