Meaning of the word supposed in English

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

supposed

US /səˈpoʊzd/
UK /səˈpəʊzd/

Adjective

believed to be true, but not definitely known or proved

Example:
The supposed benefits of the new diet were never proven.
His supposed friend betrayed him.