IPA: /ˌɪn.səˈlær.ɪ.ti/
KK: /ɪnˈsʊləˌrɪti/
The state of being isolated or separated from others, often leading to a lack of understanding or awareness of different cultures or ideas.
His insularity made it difficult for him to connect with people from different backgrounds.
Insularity is formed from "insula" (meaning island) and the suffix "-arity" (meaning quality or state of). The word refers to the quality or state of being isolated like an island.
Think of 'island' ('insula') to remember that 'insularity' means the state of being isolated, just like an island is surrounded by water.