Meaning of the word "a different one" in English

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

a different one

US /ə ˈdɪfərənt wʌn/
UK /ə ˈdɪfərənt wʌn/

Phrase

a substitute or alternative to something previously mentioned or considered

Example:
I don't like this shirt; do you have a different one?
This plan won't work. We need to come up with a different one.