Edwardian
yes, there is. Although, I am not sure what it is. I know because in 5th grade, it was a test question. I did not get it right, and my teacher liked to let us figure out the correct answer ourselves!
A proper adjective is an adjective derived from a proper noun, for example the adjective Spanish is from the proper noun Spain. A common adjective is not from a proper noun.Some examples of proper adjectives:King Edward VII; Edwardian architecturePeru; Peruvian potterySwitzerland; Swiss cheeseChristianity; Christian ethicsFranz Kafka; a Kafkaesque situationAsia; Asian foodSome examples of common adjectives:modern architecturehand thrown potterycottage cheesenoble ethicsa difficult situationfried food
The proper adjective for southwest is "southwestern."
The proper adjective is Haitian.
The proper adjective for Portuguese is "Portuguese."
Vietnamese is the proper adjective for Vietnam.
The proper adjective for George is Georgian.
The proper adjective for Siam is Siamese.
Mayan is itself a proper adjective.
Freudian is the proper adjective for Freud.
The proper adjective for Georgia is Georgian.
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.