peninsular
adj.adj. relating to a peninsula, which is a piece of land that is almost surrounded by water. You use this to describe things that are connected to or characteristic of a peninsula.
adj. relating to a peninsula or its inhabitants. Often used in historical or geographical contexts to describe the characteristics of a specific region.
The peninsular region has a unique climate.
The peninsular nature of the island made it difficult for the invaders to establish a permanent base.
The peninsular geography of the region created a distinct cultural identity that was largely isolated from the mainland's political developments for centuries.
Learned borrowing from Latin paenīnsulāris. By surface analysis, peninsula + -ar. In the historical sense borrowed from Spanish peninsular.