adjective, un·ti·di·er, un·ti·di·est.
verb (used with object), un·ti·died, un·ti·dy·ing.
Origin of untidy
Examples from the Web for untidiness
When Chichikov opened the door in question, the spectacle of the untidiness within struck him almost with amazement.Dead Souls|Nikolai Vasilievich Gogol
But then who is there that can bear so total a disguise as filth and untidiness spread over a woman?Journal of a Voyage to Brazil|Maria Graham
Mrs. Barnes insisted on forgiving me yesterday for the cigarettes, for the untidiness.In the Mountains|Elizabeth von Arnim
Untidiness is execrable, reprehensible, unseemly, and quite detestable.A Word to Women|Mrs. C. E. Humphry
No litter on the grass, no untidiness of walls or chimneys; and no seeming of comfortable homes when the door was opened.Daisy|Elizabeth Wetherell
adjective -dier or -diest
verb -dies, -dying or -died
early 13c., "untimely, unseasonable, unsuitable," from un- (1) "not" + tidy (adj.). Cf. West Frisian ontidich, Middle Dutch ontidich, Dutch ontijdig, Old High German unzitich, German unzeitig, Norwegian utidig "untimely, unseasonable, unfavorable." Meaning "poorly cared for, not neat" is recorded from mid-14c.