run foul of (someone or something)

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run foul of (someone or something)

To be in severe disagreement, trouble, or difficulty with someone or something; to be at odds with someone or something, especially due to disobeying rules or laws. Always look into the laws of any place you visit, or you may end up unwittingly running foul of the local police. Ms. Banks has run foul of this university for the last time. She is no longer welcome here!
See also: foul, of, run

run foul of

come into conflict with; go against.
This expression is nautical in origin: when used of a ship it means ‘collide or become entangled with an obstacle or another vessel’. Both literal and figurative uses were current by the late 17th century.
See also: foul, of, run
References in periodicals archive ?
The Cypriot segment of the projected Israel-Turkish pipeline has run foul of politics.
An orphan child raised by a preacher and destined to run foul of the law it's bloody murder that keeps Johnny running, with trouble on his tail.
Positive discrimination toward local SMEs will run foul of WTO rules.
When they run foul of a very ambitious FBI agent (Bradley Cooper), things become ultracomplicated.
CAIRO - Controversial Egyptian satirist Bassem Youssef's television channel suspended his programme on Friday, a week after he returned from a four-month break and fired barbs at the country's military.Youssef, known as "Egypt's Jon Stewart" after modelling his Al-Bernameg (The Programme) on the US comedian's popular satirical news programme, had already run foul of Islamist president Mohamed Morsi, who was ousted by the military in July.On Friday, the CBC channel that airs Youssef's show pulled the plug."The channel has decided to suspend Al-Bernameg.
Arpaio, who has run foul with the Justice Department for his treatment of Hispanics, is facing a wave of activism that's pushed Democratic candidate Paul Penzone directly in the way of Arpaio's re-election.
(Sat, Electric) Inbred (18) Preview of Brit horror as young offenders and their care workers run foul of local inbred youths during a community service weekend in a remote Yorkshire village.
to run a supply-driven policy will run foul of the markets very quickly and see its interest rates rise," he added.
"Almost all the individuals belong to the political opposition in their country and have run foul of their political opponents or the authorities of their country.
However, when countries develop their own trade and tariff policies, they can run foul of international trade agreements.