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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI