The phrase "insular nature" refers to a tendency for someone or a group to be closed off or isolated from others, often due to their own beliefs, culture, or way of thinking. Full definition
In any case, what the insular nature of this alternative media ecosystem created, the authors say, was a self - reinforcing worldview shared by Trump supporters that was rarely challenged by fact - checking articles from outside the right - wing bubble. (fortune.com)
Long chided by analysts for its insular nature, the seven - member board included Koogle, Mallett, and Yang, as well as backers Moritz and Eric Hippeau of Softbank. (bloomberg.com)
Rationale: The Gaels are revolutionizing college basketball by rejecting the insular nature of the sport and setting the curve with their knowledge of foreign talent. (sbnation.com)