Meddling with refers to the act of interfering or tampering with something usually without permission. Some suitable synonyms for meddling with include intruding, intervening, tampering, interrupting, meddling, interposing, meddling, and meddling. Other synonyms include meddling in, interfering in, tampering with, disrupting, meddling around, and poking one's nose in. These words generally have a negative connotation and imply that someone is overstepping their boundaries. Examples of meddling with activities include meddling with someone's personal life, meddling with someone's business, or meddling with someone's plans. Overall, the term "meddling with" implies an action that is unwelcome or not authorized.