untidy /ʌnˈtaɪdi/adjective 2verb 1forms 5 adjective2 •Sloppy.I have never seen such an untidy bedroom! •Disorganized.His finances were in an untidy state when he died. verb1 •To make untidy, to make a messBefore she closed each drawer she rummaged her hands through the clothes, untidying them just enough to feel comfortable. — 2014 formsuntidied · untidying · untidies · untidier · untidiest