inroad

noun

An advance, especially at another’s expense; an encroachment.

noun

A reduction or diminishment.

noun

A hostile invasion; a raid.

To make an inroad into; invade.

To make an inroad; encroach; depredate.

noun

A predatory or hostile incursion; a raid by public enemies; a temporary or desultory invasion.

noun

Forcible entrance; powerful or sudden influx or incursion; forcible or insidious encroachment.

noun

The entrance of an enemy into a country with purposes of hostility; a sudden or desultory incursion or invasion; raid; encroachment.

transitive verb

To make an inroad into; to invade.

noun

an advance into enemy territory, an incursion, an attempted invasion