SHAMBOLIC: an adjective meaning chaotic, disorganized or mismanaged.
One of the root words of the term (which just, rather pathetically, occurred to me) is the word “shambles”. The other is “symbolic”. Voilá! Shambolic. As in perhaps it’s original, earlier English, pre-mated form: “this file is symbolic of a shamble!”
This is one of my favorite, borderline obscure words because it is a mostly uncommon, fun to implement one, and yet when you do you don’t seem like a supercilious twit. Due to the at least one root word, a certain percentage of your audience may perhaps be able to infer the term’s meaning.
So when the opportunity in a social situation to use the word pops up, sift through that shambolic mess of a brain and use the work shambolic!