Peruvian is the proper adjective for Peru. Example: My Peruvian cousin only visits sometimes because where I live is far from her native country of Peru.
Peruvian is the proper adjective related to Peru. For instance: Some Peruvian customs were strongly influenced by the mountainous locations.
The proper adjectives are:KoreanPolishAlaskanBelgianSwedishFrenchRussianCubanPeruvianIndian
Large and varied are both adjectives. South would be an adjective if it were not part of a proper noun. Amazon is likely a noun adjunct here, but Amazonian would be a proper adjective.
Cuban and Peruvian are the proper adjectives for Cuba and Peru.
Vietnamese is the proper adjective for Vietnam.
The proper adjective for George is Georgian.
The proper adjective for Siam is Siamese.
No, old is not a proper adjective. A proper adjective is an adjective derived from a proper noun, such as Swiss cheese, Bolivian pottery, Chinese silk, etc.
France is always a proper noun it is never a proper adjective (what is a proper adjective? The adjective is french. I like french food
The proper adjective for Antigua is Antiganantigan
Kuwaiti is the proper adjective for Kuwait.
Oklahoman is the proper adjective for Oklahoma.
Paraguayan is the proper adjective for Paraguay