No, Texas is a proper noun. The proper adjective for Texas is Texan.
Yes, because 'Texas' is a proper adjective (modifying the word 'toast').
Texan "He once crossed the Texan prairies on horseback."
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
It is an adjective.It is a an adjective.
Cautious IS an adjective. An adjective is an action!
An adjective
it is an adjective!
No. It is not an adjective. An adjective describes something.
No, it is an adverb. The adjective is clumsy.
It can be. "Ideal" is an adjective and a noun.
No it's not a adjective, an adjective is a describing word.