Meaning of the word cutthroat in English

What does cutthroat mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cutthroat

US /ˈkʌt.θroʊt/
UK /ˈkʌt.θrəʊt/

Adjective

not involving considering or worrying about any harm caused to others:

Example:
the cutthroat world of journalism