Noun

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

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

They were glued to the TV, as the referee called out a fifteen yard penalty for interference .

(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.

They wanted to watch the game on TV, but there was too much interference to even make out the score on the tiny screen.

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

(chess) The interruption of the line between an attacked piece and its defender by sacrificially interposing a piece.

Noun

(en noun)

a violation or breach, as of a law

* {{quote-news

, year=2011 , date=September 18 , author=Ben Dirs , title=Rugby World Cup 2011: England 41-10 Georgia , work=BBC Sport citation , page= , passage=Georgia, ranked 16th in the world, dominated the breakdown before half-time and forced England into a host of infringements , but fly-half Merab Kvirikashvili missed three penalties.}}

an encroachment on a right, a person, a territory, or a property

* {{quote-news

, year=2008 , date=February 27 , author=Kira Cochrane , title=How could it happen again? , work=The Guardian citation , page= , passage=As soon as it was suggested that it was considering the Swedish model – in which men are criminalised for buying sex, but the women working in prostitution are decriminalised – a slew of prominent male columnists started arguing against this infringement on a man's right to purchase a woman's body. }}