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"interfere" is also used as a crossword clue. If that's what you saw, the answer is often meddle (6 letters).
Definitions
come between so as to be hindrance or obstacle
Word origin
From Old French entreferir, from entre- + ferir (“to hit, to strike”), itself from the Latin verb ferio.
Used in a sentence
“I always try not to interfere with other people’s personal affairs.”
“I’ve known ere now an interfering branch / Of alder catch my lifted axe behind me. / But that was in the woods, to hold my hand / From striking at another alder’s roots, / And that was, as I say, an alder branch.”
“Correlated waves interfere to produce interesting patterns, while uncorrelated waves overlap without interfering.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Get in the way”9 letters
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