Cuban is the proper adjective for Cuba, as in, "That restaurant serves the best cuban pork Sandwiches."
Proper adjectives are similar to proper nouns. Cuba would become Cuban.
The proper adjective for George is Georgian.
The proper adjective for Siam is Siamese.
The proper adjective for Antigua is Antiganantigan
A proper adjective is a descriptive word derived from a proper noun.Some examples are:Asia (proper noun) - Asian (proper adjective)Brazil (proper noun) - Brazilian (proper adjective)Canada (proper noun) - Canadian (proper adjective)Elizabeth I (proper noun) - Elizabethan (proper adjective)Sigmund Freud (proper noun) - Freudian (proper adjective)George Orwell (proper noun) - Orwellian (proper adjective)Proper nouns and proper adjectives are always capitalized.
Kuwaiti is the proper adjective for Kuwait.
The proper adjectives are:KoreanPolishAlaskanBelgianSwedishFrenchRussianCubanPeruvianIndian
Japan, England, and Cuba are all proper names and therefore nouns. "It" is "Norwegian," an adjective, and relates to the country of Norway not therefore naming it.
The proper adjective for Portuguese is "Portuguese."
The proper adjective for southwest is "southwestern."
The proper adjective for Haiti is Haitian.
Vietnamese is the proper adjective for Vietnam.
Cuban and Peruvian are the proper adjectives for Cuba and Peru.
The proper adjective for Siam is Siamese.
The proper adjective for George is Georgian.
The proper adjective for Georgia is Georgian.
The proper adjective for Mayan is "Mayan."
Freudian is the proper adjective for Freud.