The word “cutthroat” can be used as both an adjective and a noun.
As an adjective, it refers to a situation or environment that is ruthless or competitive, often where individuals are willing to do anything to succeed, including harming others. For example, “cutthroat competition” describes an intense rivalry that may involve unethical practices.
As a noun, “cutthroat” can refer to a person who engages in such ruthless behavior, often in the context of business or other competitive fields. Additionally, it can also refer to a type of fish, specifically the cutthroat trout, known for its distinctive coloration and mark on the throat.
In summary:
1. **Adjective**: Ruthless, competitive.
2. **Noun**: A ruthless person; also a type of fish (cutthroat trout).