Interfere

Webster's Dictionary of the English Language

·vi To cover the same ground; to claim the same invention.

II. Interfere ·vi To come in collision; to be in opposition; to Clash; as, interfering claims, or commands.

III. Interfere ·vi To enter into, or take a part in, the concerns of others; to Intermeddle; to Interpose.

IV. Interfere ·vi To act reciprocally, so as to augment, diminish, or otherwise affect one another;

— said of waves, rays of light, heat, ·etc. ·see Interference, 2.

V. Interfere ·vi 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.