Meaning of the word "mixed bag" in English

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

mixed bag

US /mɪkst bæɡ/
UK /mɪkst bæɡ/

Idiom

a collection of various things or people, some good and some bad

Example:
The movie was a mixed bag; some scenes were brilliant, others were terrible.
His performance at work has been a mixed bag this quarter.