Answer:
"disorganized" and "the new".
Explanation:
An adjective is a word or group of words that act as a modifier for a noun or pronoun in a sentence. That is to say, an adjective describes the noun or pronoun in a sentence.
In the given sentence "Monique's disorganized roommate disregarded the new shelves, unfortunately", the adjectives are "disorganized", and "the new". They help describe or modify the nouns in the sentence.