feroz - fierce, ferocious, cruel, terribleSpanish example: En abril de 1996 estallaron feroces luchas en Monrovia.
English example: In April 1996 fierce fighting erupted in Monrovia.
Source: feroz - fierce, ferocious, cruel, terrible (https://www.123teachme.com/spanish_feeds/word_of_the_day/2021/1/1)