INTRU'SION, noun s as z. [Latin intrusio, from intrudo.]

1. The action of thrusting in, or of entering into a place or state without invitation, right or welcome. The company may be disturbed by the intrusion of an unwelcome guest.

--Many excellent strains which have been jostled off by the intrusions of poetical fictions.

Why this intrusion?

Were not my orders that I should be private?

2. Encroachment; entrance without right on the property or possessions of another.

3. Voluntary entrance on an undertaking unsuitable for the person.