From Longman Dictionary of Contemporary Englishincursionin‧cur‧sion /ɪnˈkɜːʃən, -ʒən $ ɪnˈkɜːrʒən/ noun [countable] formal 1 PMATTACKa sudden attack into an area that belongs to other peopleincursion into a combined British and French incursion into China in 18572 ARRIVEWANTthe sudden arrival of something or someone into a place or activity where they do not belong or have not been before, used especially to say that they are not welcomeincursion into The media was criticized for its thoughtless incursion into the domestic grief of the family. the Japanese incursion into the U.S. domestic electronics market
Examples from the Corpus
incursion• The two nations saw each others' advances as incursions and tried to match each other fort for fort around Louisiana.• Locals regarded it as a provocative incursion.• Government forces were able to halt the rebel incursion.• Reports from Kampuchea claim that the country's 35,000-man army is good enough to stand up to Khmer Rouge incursions.• Firms may use advertising to defend their existing position or to signal to potential entrants that incursions will be challenged.• Daily newspapers appear especially threatened by the incursion on to their turf of timely and in-depth local information.• He described the incursion as the most dangerous development since the end of the war itself.• The incursion of whiteflies into the area could damage crops.• Any effective international regulation of nuclear weapons is bound to entail troublesome incursions challenging prerogatives of national sovereignty.Origin incursion (1400-1500) Old French Latin, from incurrere; → INCUR 