Havoc adjectives are listed in this post. Each word below can often be found in front of the noun havoc in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing HAVOC.
awful, bloody, considerable, cruel, deadly
dreadful, economic, fearful, frightful, further
general, great, greater, greatest, less
made, more, most, much, sad
same, social, strange, such, terrible
tremendous, untold, wild, wrought
Hope this word list had the adjective used with havoc you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
Please add more adjectives to make this list more complete: