D defs.my
Entry 5 senses Webster, 1913

Interfere

/ĭnˌ-tẽrf-ĭr'/ · In·ter·fere · IPA /ˌɪn.tɚˈfɪɚ/
01 v. i. To come in collision; to be in opposition; to clash; -- usually used with with; as, interfering claims, or commands; workers in a crowded s…
imp. & p. p. Interfered; p. pr. & vb. n. Interfering
  1. 1.
    To come in collision; to be in opposition; to clash; -- usually used with with; as, interfering claims, or commands; workers in a crowded shop may interfere with each other's activity.
  2. 2.
    To enter into, or take a part in, the concerns of others; to intermeddle; to interpose; -- used with in or with; as, to interfere with the way I raise my children.
    “To interfere with party disputes.” Swift.
    “There was no room for anyone to interfere with his own opinions.” — Bp. Warburton.
  3. 3.
    To strike one foot against the opposite foot or ankle in using the legs; -- sometimes said of a human being, but usually of a horse; as, the horse interferes.
  4. 4.
    To act reciprocally, so as to augment, diminish, or otherwise affect one another; -- said of waves, rays of light, heat, etc. See Interference, 2.(Physics) See: Interference
  5. 5.
    To cover the same ground; to claim the same invention; as, to interfere with another patent.(Patent Law)