obtrusion

[L. obtrusio. See Obtrude.]

1. The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world.

2. That which is obtruded. Milton.

noun

1. The act or an instance of interfering or intruding: interference, intervention, intrusion, meddling. See participate/abstain.
2. An advance beyond proper or legal limits: encroachment, entrenchment, impingement, infringement, intrusion, trespass. See enter/exit.