Adjectives play a significant role in Hebrew grammar, adding color, description, and nuance to nouns. In Hebrew, adjectives have gender, number, and agreement with the noun they modify. Firstly, adjectives must agree in gender with the noun they describe. If the noun is masculine, the adjective takes a masculine form; if the noun is feminine, the adjective takes a feminine form. Secondly, adjectives must also agree in number with the noun. If the noun is singular, the adjective is singular; if the noun is plural, the adjective is plural. Thirdly, the adjective must agree in definiteness with the noun. A definite adjective corresponds to a definite noun, and an indefinite adjective corresponds to an indefinite noun. Lastly, adjectives in Hebrew can also undergo vowel changes and can take forms for masculine singular, feminine singular, masculine plural, and feminine plural. Mastering adjectives in Hebrew allows learners to accurately express qualities, characteristics, and attributes of nouns, making their communication more precise and nuanced.