Definition of Interference

1. Noun. A policy of intervening in the affairs of other countries.

Exact synonyms: Intervention
Generic synonyms: Foreign Policy
Derivative terms: Interfere
Antonyms: Noninterference, Nonintervention

2. Noun. The act of hindering or obstructing or impeding.
Exact synonyms: Hinderance, Hindrance
Generic synonyms: Act, Deed, Human Action, Human Activity
Specialized synonyms: Foiling, Frustration, Thwarting, Antagonism, Obstruction, Complication, Deterrence, Bar, Prevention
Derivative terms: Interfere

3. Noun. Electrical or acoustic activity that can disturb communication.

4. Noun. (American football) blocking a player's path with your body. "He ran interference for the quarterback"
Category relationships: American Football, American Football Game
Generic synonyms: Block, Blocking

5. Noun. Any obstruction that impedes or is burdensome.

Definition of Interference

1. n. The act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others.

Definition of Interference

1. Noun. The act of interfering with something, or something that interferes. ¹

2. Noun. (sports) The illegal obstruction of an opponent in some ball games. ¹

3. Noun. (physics) An effect caused by the superposition of two systems of waves, such as a distortion on a broadcast signal due to atmospheric or other effects. ¹

4. Noun. (US legal) In United States patent law, an inter partes proceeding to determine the priority issues of multiple patent applications; a priority contest. ¹

¹ Source:

Definition of Interference

1. [n -S]

Medical Definition of Interference

1. Opposition or hampering of an action or procedure. Origin: L. Ferire = to strike This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Interference

interfascicular fasciculus
interference (current term)
interference beat
interference colours
interference diffraction patterns
interference dissociation
interference figure
interference filter
interference microscope
interference microscopy
interference reflection microscopy
interferential stimulation

Literary usage of Interference

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1883)
"Properties of interference induced by the RNA from T particles. PFU, plaque- forming units. one plaque-forming unit per cell. ..."

2. Convention by National Electric Light Association Convention, National Independent Meat Packers Association, University of Georgia College of Agriculture, University of Georgia Dept. of Food Science (1919)
"INDUCTIVE interference The inductive interference situation has been ... This has led to the issuance of inductive interference rules in modified form as ..."

3. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1909)
"If the time of the second sorting was longer than that of the first, the delay was supposed to be in part at least due to the interference of the earlier ..."

4. The Astrophysical Journal by American Astronomical Society, University of Chicago (1899)
"interference phenomena permit us to refer determinations of length to a very ... To make evident the services which interference methods may render in this ..."

5. A History of the United States by William Coligny Doub (1909)
"European interference with American Commerce 1. ... End of the Period of European interference FINANCIAL LEGISLATION: THE TARIFF I. Hamilton's Financial ..."

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