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interfere in (something)
To disrupt or meddle in something. Quit interfering in my plans—it's my wedding day, after all! Leave it to Mom to try to interfere in anything you want to do.
interfere with (something)
1. To disrupt or meddle with something. Quit interfering with my plans—it's my wedding day after all! Leave it to Mom to try to interfere with anything you want to do.
2. To tamper or mess with something. Someone must have interfered with the server last night because it's not working right today.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
interfere in something
to meddle in something; to become involved in someone else's business. Don't interfere in my business! Are you interfering in this matter again?
interfere with someone or something
to meddle with something or someone's affairs. Please do not interfere with us. Are you interfering with my project?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To serve as a hindrance or obstacle to something: Don't let football practice interfere with your schoolwork.
2. To tamper with something: Someone interfered with the alarm system, and now it's broken.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.