Sardinian a. : Of or pertaining to the island, kingdom, or people of Sardinia.

Sardinian n. : A native or inhabitant of Sardinia.

Example:
How to say I love you in the Sardinian language?

Taxonomy
Sardinia, Sardinian, island, Arborea, the Italian, Cagliari, kingdom, Aragonese, kingdom of Sardinia, territory, the kings, population, Sassari, coasts, rule, haplogroup, King of Sardinia, Italy.

Defination from the web:
Sardinian Sea. ... Around 900, the lieutenants gained their independence, in turn becoming judices (Sardinian judike, 'king') of their own logo or state. ...