Third-person singular simple present indicative form of interfere.(verb)
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Use "interferes" in a sentence
"Your point about the community keeping your head on writing a bit, even when life interferes, is so true."
"Aspirin interferes with chemical mediators of kallikrein system."
"Monitoring the way rain interferes with the signals routinely sent between phone masts provides an accurate picture of rainfall over an area, say Israeli researchers."