equivocado

listen to the pronunciation of equivocado
الأسبانية - التركية
yanlış
الأسبانية - الإنجليزية
wrong, mistaken
misguided
lost
inadvertent
off the track
mistaken

Clearly you are mistaken. - Claramente tú estás equivocado.

I must admit that I was mistaken. - Debo admitir que estuve equivocado.

off base