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intr.v. in·ter·fered, in·ter·fer·ing, in·ter·feres 1. To be or create a hindrance or obstacle: The rain interfered with our plans to go on a picnic. 2. Sports To perform an act of interference. 3. To intervene or intrude in the affairs of others; meddle. 4. To strike one hoof against the opposite hoof or leg while moving. Used of a horse. 5. Physics & Electronics To cause interference. [Middle English enterferen, from Old French s'entreferer, to strike one another : entre-, between (from Latin inter-; see INTER-) + ferir, to strike (from Latin ferīre).] in′ter·ferer n. in′ter·fering·ly adv. |
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