1. (n.) The act of entering gradually or silently upon the rights or possessions of another; unlawful intrusion.

2. (n.) That which is taken by encroaching on another.

3. (n.) An unlawful diminution of the possessions of another.

adoption appropriation arrogation assumption entrance entrenchment impingement imposition incursion infiltration influx infraction infringement injection inroad insinuation interference interjection interloping interposition interposure interruption intervention intrusion invasion irruption obtrusion overstepping playing God seizure transgression trespass trespassing unlawful entry usurpation