"insular mentality" is a correct and usable phrase in written English
It refers to a narrow or isolated way of thinking, often associated with a lack of exposure to new ideas or different cultures. Example: The small town's insular mentality made it difficult for outsiders to be accepted and integrated into the community.
Despite the insular language and isolationalist mentality of many in the game, there are those who realize horse racing has nothing if it doesn't t have the horse — and (intentionally or otherwise) they are doing something about it.
At this point, McDermid tosses convention aside and gets to the heart of the issues that really concern her: the feudal mentality of insular societies like Scardale, tribal definitions of guilt and punishment, and the expiation of sin through the almost priestly functions of a conscience-driven hero.
Scotland Yard's best minds can't penetrate the feudal mentality of an insular hamlet like Scardale, where the inbred residents exercise their own tribal attitudes toward guilt and punishment to resist a grimly efficient investigation into the disappearance of a 13-year-old schoolgirl.
New York, essentially made up of insular villages, often reflects insular village mentalities despite the great melting pot that is the city in its entirety.
While there is much to admire in Los Campesinos!' wordy, pell-mell shakedowns - not least the vivacious interplay between shouty-boy Gareth and cooing-girl Aleks - this insular debut is banjaxed by its own bunker mentality.Kitty Empire.
Sadly, the main consequence of dead-end Republican revanchism over the Iran deal is that it has reinforced highly insular mindsets -- characterized by an "us-against-them" mentality -- with respect to Iran.
But over time, he added, they have become less insular and more willing to assimilate and adopt what he called "the traffic mentality".
Northern Ireland is already insular.
