Insult adjectives are listed in this post. Each word below can often be found in front of the noun insult in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing INSULT.
added, additional, alleged, bitter, brutal, calculated, coarse, cruel, daring, deadly, deep, deliberate, direct
double, downright, environmental, final, first, flagrant, fresh, further, gratuitous, grave, great, greater, greatest
grievous, gross, grossest, highest, imaginary, implied, initial, intended, intentional, intolerable, ischemic, last, least
more, mortal, much, national, new, only, open, original, other, outrageous, personal, popular, positive
possible, premeditated, public, racial, real, second, serious, slightest, subtle, such, supreme, terrible, toxic
ultimate, unpardonable, unprovoked, vascular, veiled, wanton, worse, worst
Hope this word list had the adjective used with insult you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.