Meaning of the word "plain spoken" in English

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

plain spoken

US /ˈpleɪnˌspoʊkən/
UK /ˈpleɪnˌspəʊkən/

Adjective

speaking in a direct, honest, and often blunt way, without trying to be diplomatic or polite

Example:
She's known for her plain-spoken manner, always saying exactly what she thinks.
His plain-spoken advice, though sometimes harsh, was always helpful.