incoherent

His answers were frequently long-winded, muddled and incoherent.

Current eugenics rhetoric is, like its forebear, fundamentally incoherent.

It’s not unusual for fascist movements to be incoherent in their ideology or goals.

An incoherent movie is hardly the vessel for that kind of lesson.

Labour MP Paula Barker said: "Whilst grateful for the concessions, this has further laid bare the incoherent and shambolic nature of this process - it is the most unedifying spectacle that I have ever seen."