The proper adjective for Siam is Siamese.
The proper adjective for George is Georgian.
The proper adjective for Antigua is Antiganantigan
Kuwaiti is the proper adjective for Kuwait.
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.
Someone from Israel is called an "Israeli".
"Israel" is a proper noun. If you want to use it as an adjective, you use the word "Israeli", as in:Can you do any Israeli dances?
Yes, Hebrew is a proper noun. It is the name of a language spoken primarily by the Jewish people and the official language of Israel.
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.
The proper adjective for Siam is Siamese.
The proper adjective for Georgia is Georgian.
The proper adjective for Mayan is "Mayan."
The proper adjective for George is Georgian.
Freudian is the proper adjective for Freud.