noun which may take the genitive case particle 'no', na-adjective, noun
opposite; reverse; back-to-front
Describes something being the wrong way around, reversed in order, or opposite to what is expected. Often used for physical orientation or logical reversal.
靴をあべこべに履いてしまった。
I put my shoes on the wrong feet.
説明があべこべで、何が正しいのかわからない。
The explanation is backwards, so I don't know what's correct.