Sadness adjectives are listed in this post. Each word below can often be found in front of the noun sadness in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing SADNESS.
awful, bitter, certain, deep, deeper, deepest, dreamy, excessive, extreme, general, gentle, genuine, gloomy, good, great, greater
greatest, habitual, haunting, heavy, holy, hopeless, human, humorous, immense, incredible, indescribable, ineffable, inevitable, inexplicable, inexpressible, infinite
intense, less, lingering, little, lonely, melancholy, mingled, mock, momentary, more, mortal, much, mysterious, natural, normal, old
only, oppressive, overwhelming, own, painful, patient, peculiar, pensive, personal, pervasive, poignant, present, profound, quiet, real, resigned
same, secret, settled, shady, silent, sober, soft, solemn, strange, subdued, such, sudden, sweet, tender, terrible, tragic
tremendous, true, unbearable, underlying, unspeakable, unutterable, utter, vague, very, weary, wistful
Hope this word list had the adjective used with sadness you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.