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 untidiest
I entered what was then, and probably is still, the untidiest room in England.Sonia Between two Worlds|Stephen McKenna
It is altogether the untidiest public park I saw in Ireland.One Irish Summer|William Eleroy Curtis
The bloods wore evening dress; even the untidiest junior oiled his hair and put on a clean collar.The Loom of Youth|Alec Waugh
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.