From Longman Dictionary of Contemporary Englishintrusionin‧tru‧sion /ɪnˈtruːʒən/ ●○○ noun [countable, uncountable] 1 INTERRUPTwhen someone does something, or something happens, that affects your private life or activities in an unwanted wayintrusion into/on/upon I resented this intrusion into my domestic affairs. the unwelcome intrusion of the press2 HARM/BE BAD FORwhen something comes into a place or situation and has an unwanted effect the intrusion of badly designed new buildings in the historic high street
Examples from the Corpus
intrusion• Are you sure that my staying here won't be an intrusion?• Some players resent the intrusion of religion into sports.intrusion into/on/upon• Inevitably my entrance was an intrusion on one disquisition or another.• This may sound like petty whimpering, but intrusions upon the exercise of lawful freedom is no small matter.• government intrusion into business• This provision was overturned by the Supreme Court as a legislative intrusion on the executive authority of the president.• Increased military intrusion into civilian life, with many normal police functions usurped by the Pentagon.• Naturally, neoclassical economists will stand aghast at what they regard as an unwarranted political intrusion into the realm of positive economics.• They had to condemn Khomeini's intrusion into the affairs of another state.• Parisians were shaken by nature's violent intrusion into their sophisticated urban world.• I assure my hon. Friend that lighting schemes will be designed to minimise visual intrusion into neighbouring property. 