incoherent

Not coherent.

When we confronted her, she gave us a hasty, incoherent explanation.

After just a few drinks, he becomes incoherent.

Not coherent.

[…] Some hasty and undigested Thoughts, on a Subject I had never before considered, which I set down against our next Meeting, gave the first entrance into this Discourse, which having been thus begun by Chance, was continued by Intreaty; written by incoherent parcels; and, after long intervals of neglect, resum'd again, as my Humour or Occasions permitted; and at last, in a retirement, where an Attendence on my Health gave me leisure, it was brought into that order thou now seest it.

That Sand-Stone does not still consolidate: i.e. that Matter which was, a few Years ago, lax, incoherent, and in form of Earth, or of Sand, does not become daily more hard and consistent, and by little and little acquire a perfect Solidity, and so turn to Stone; as others have asserted.

Not coherent.

At this stage the labourers still form an incoherent mass scattered over the whole country, and broken up by their mutual competition.

[…] because I am an American writer my subject and my material inevitably has to be a handful of incoherent people in an incoherent country.

A member of a short-lived satirical and irreverent French art movement founded by Parisian writer and publisher Jules Lévy in 1882.