| Incursion 1. (n.) A running into; hence, an entering into a territory with hostile intention; a temporary invasion; a predatory or harassing inroad; a raid. 2. (n.) Attack; occurrence. Thesaurus Entries air attack, air raid, air strike, boarding, encroachment, entrance, entrenchment, escalade, fire raid, foray, impingement, imposition, infiltration, influx, infraction, infringement, injection, inroad, insinuation, interference, interjection, interloping, interposition, interposure, interruption, intervention, intrusion, invasion, irruption, obtrusion, overstepping, raid, razzia, saturation raid, scaling, shuttle raid, transgression, trespass, trespassing, unlawful entry, usurpation |