disorganised
dis-or-gan-ised
adjective
Not planned or arranged well; lacking order or structure; messy.
"Her filing system was completely disorganised."
Thesaurus
Synonyms: upset, helter-skelter, disorganized, chaotic, unmethodical, undone, disordered, confused, scrambled, snafu, fucked-up, unstuck
Antonyms: organized