In″su‐lar (?), a. [L. insularis, fr. insula island: cf. F. insulaire. See Isle.]
1. Of or pertaining to an island; of the nature, or possessing the characteristics, of an island; as, an insular climate, fauna, etc.
2. Of or pertaining to the people of an island; narrow; circumscribed; illiberal; contracted; as, insular habits, opinions, or prejudices.
The penury of insular conversation. Johnson.