upside down
adjective/ˌʌpsaɪd ˈdaʊn/
/ˌʌpsaɪd ˈdaʊn/
[not usually before noun]- in a position in which the top of something is where the bottom is normally found and the bottom is where the top is normally found
- The painting looks like it's upside down to me.
Check pronunciation:
upside down