There are several synonyms for the word "ogrest", which means to become or appear fierce or ferocious. Some of these synonyms include raging, feral, savage, wild, brutal, and untamed. These words are often used to describe animals or individuals who exhibit aggressive or violent behavior. Other synonyms include menacing, intimidating, and domineering, which suggest a more dominant or threatening demeanor. Whether used to describe nature, animals, or human behavior, these synonyms all convey a sense of danger or intimidation, and are often used in literature and storytelling to create a sense of tension or suspense.