confondant

/kɔ̃.fɔ̃.dɑ̃/confondre
1.
adjectivemasculineSing

astonishing, staggering (often used to describe something surprisingly bad or absurd)

C'est confondant de voir qu'il a recommencé la même erreur.

It's astonishing to see that he made the same mistake again.

2.
verbPart3rdPres

confusing (one thing with another); (present participle) mixing up

En confondant les deux adresses, elle a envoyé le colis au mauvais destinataire.

By confusing the two addresses, she sent the package to the wrong recipient.