Definition of interfere with
1 : to stop or slow (something) : to make (something) slower or more difficult The drug might interfere with a child's physical development. All of the noise was interfering with my concentration.
2 British : to touch (a child) in a sexual and improper way
Seen and Heard
What made you want to look up interfere with? Please tell us where you read or heard it (including the quote, if possible).