na-adjective, noun which may take the genitive case particle 'no', noun
inverted; upside down; reversed; back to front
Describes something being the opposite way around, upside down, or reversed in order. Used as a noun, な-adjective, or の-adjective.
絵が逆さまに掛けてある。
The picture is hung upside down.
順番が
The order is reversed.
彼は逆さまの考え方をする。
He has a backwards way of thinking.