intrusion
US /ɪnˈtruː.ʒən/
UK /ɪnˈtruː.ʒən/
1.
the act of intruding
:
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He apologized for his intrusion.
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The constant noise was an unwelcome intrusion.
2.
an instance of something being introduced into a situation or place where it is unwelcome or inappropriate
:
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The new policy was seen as an intrusion on personal privacy.
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His comments were an unwelcome intrusion into the serious discussion.