run deep

run deep

To be well established and strongly integrated into the nature or character of something. In this part of the country, college basketball rivalries run deep. Among that demographic, loyalty to the party runs deep, so I don't think you'll find many undecided voters.
See also: deep, run
Farlex Dictionary of Idioms.

run deep

or

go deep

COMMON If something such as a feeling, emotion, or problem runs deep or goes deep, it is very serious or strong, often because it has existed for a long time. My allegiance to Kendall and his company ran deep. Hatred of the army runs deep, and most here have come to side with the rebels. His anger and anguish clearly went deep.
See also: deep, run
Collins COBUILD Idioms Dictionary, 3rd ed.

go/run ˈdeep

(of emotions, beliefs, etc.) be felt in a strong way, especially for a long time: Dignity and pride run deep in this community.
See also: deep, go, run
Farlex Partner Idioms Dictionary
See also:
  • campaign for
  • campaign for (someone or something)
  • campaign
  • campaign against
  • campaign against (someone or something)
  • bone-deep
  • tie into
  • tie into (something)
  • an article of faith
  • article
References in classic literature
In the mean time, Major Hartmann began to grow noisy and jocular; glass succeeded glass, and mug after mug was introduced, until the carousal had run deep into the night, or rather morning; when the veteran German ex- I pressed an inclination to return to the mansion- house.
Done in the old traditional style recorded in Floodplain Studios and engineered by Graham Watson with a lineup including Eoin Dillon (founding member of Kila) on uilleann pipes and whistles, Ma deals with themes and feelings that run deep within Irish society.
Tensions have long run deep between pro-independence indigenous Kanaks and descendants of colonial settlers who remain loyal to Paris.
HUNTER KILLER HHH HH THERE'S something enjoyable about the submarine action genre - from The Hunt for Red October through to Run Silent, Run Deep.
Problems in the National Printing Office (NPO) run deep, according to Presidential Communications Secretary Martin Andanar, who has ordered in investigation on the reason behind the mass resignation of the agency's Bids and Awards Committee members.
They are sweating under the spotlight now, but the wider problems of avoidance run deep.
Senate President Abdel Raou'f Rawabdeh affirmed how national unity has always run deep throughout Jordan's history, noting that the Kingdom has always remained proactive against such elements and will not be held hostage to Daash and other terrorist organizations.
Williams Parker's roots run deep in Sarasota's business, civic, and social landscape.
Nobody came back from the tour the same, the scars both physical and mental still run deep to this day.
* Houston's Beren Academy basketball team, which was at the center of a controversy last year when it was nearly forced to forfeit a game scheduled on Shabbat, made another run deep into the playoffs.
Who needs a BF who doesn't talk and whose feelings don't seem to run deep? Ask yourself if you still really like him or if you just like the idea of being part of a couple.
Influences run deep with the likes of Spencer Davis Group, Otis Redding and Ray Charles alongside the harmonies of the Beach Boys.
Thankfully, this minimalism does not diminish the film's thematic dwellings, but, on the contrary, reminds us that the waters still run deep -- politically as much as emotionally.
Summary: California born, Mona Naffa, joins Sandy to celebrate travel inside Jordan, where her roots run deep. Mona's father is a prestigious professor in both the US and Jordan.