From Longman Dictionary of Contemporary Englishinvasionin‧va‧sion /ɪnˈveɪʒən/ ●●○ noun 1 [countable, uncountable]PM when the army of one country enters another country by force, in order to take control of itinvasion of the invasion of Normandy2 [countable]LOT/LARGE NUMBER OR AMOUNT the arrival in a place of a lot of people or things, often where they are not wanted the annual invasion of teenagers for the Glastonbury Festival3 → invasion of privacy
Examples from the Corpus
invasion• The fear of an invasion by rebels is always present.• an invasion of cheap imports• Some analysts fear that increasing desperation could lead to a military invasion of the country's southern neighbors.• the Soviet invasion of Czechoslovakia• the invasion of Normandy 