Outbreak adjectives are listed in this post. Each word below can often be found in front of the noun outbreak in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing OUTBREAK.
actual, dangerous, epidemic, extraordinary, fearful, fierce, final, first, fresh, furious
further, general, great, immediate, indian, initial, large, largest, last, late
little, local, major, massive, new, next, occasional, open, passionate, popular
possible, present, recent, revolutionary, sars, second, serious, severe, similar, single
small, smallpox, spontaneous, subsequent, such, sudden, terrible, threatened, tremendous, unexpected
very, violent, widespread, wild, worst
Hope this word list had the adjective used with outbreak you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.