intrusion

3 definitions • 3 examples

an occasion when someone goes into a place or situation where they are not wanted or expected to be:

They complained about excessive government intrusion (= unwanted involvement) into their legitimate activities.

His phone call was a welcome intrusion into an otherwise tedious morning.

the act of going into a place or becoming involved in a situation where you are not wanted or do not belong:

[ U ] They complained that building a new airport nearby would be a noisy intrusion on their quiet lives.

the flowing of hot melted rock into layers or cracks of rocks that already exist