It is an "article" (the articles, which are a, an, and the, are often considered determiners rather than adjectives).
exhausting
The adjective in that sentence is empty.
There is no adjective in that sentence.
The adjective in that sentence would be skillfully.
Extravagant is the adjective in this sentence.
This is an exmple of an oxymoron, where the adjective friendly contrasts with the noun argument, which is apparently a contradiction.
exhausting
the best way to use angrier in a sentence is as an adjective for example: does that person seem angrier today? seem how? seem angrier.
there is no adjective in this sentence, an adjective describes a noun
There is no adjective in this sentence.
There was an argument between ?? and ??.
There is no adjective in that sentence.
There is no predicate adjective in that sentence.
The adjective in that sentence is empty.
the adjective is 'no'.
i was in an argument last night
Sarah and Jayne were fighting brutally in their argument.