Definition of "slovenly"

The same marks of indolence appeared in the care of his person; for every part of his dress was generally in disorder; and, though he was well made and handsome, yet his slovenly appearance made him disgustful to every one.

1796, “The Unexpected Reformation”, in The Blossoms of Morality‎, page 35

Which would you sooner employ, a boy who was plainly, yet neatly clad, or one who had a slovenly appearance, though dressed in fine clothes?

1857, M[arcellus] F. Cowdery, “Lesson XVI. Be Neat.”, in Elementary Moral Lessons For Schools and Families‎, Philadelphia: H. Cowperthwait & Co., page 132

You say my pamphlet betrays the most slovenly rashness. But where is your proof?

1848 April, Joseph Barker, The Christian, volume IV, number XC/XCI

British goods have often been despatched in such careless and slovenly fashion that they arrived half broken. The same goods supplied by Germans were packed with such admirable care that they reached their destination quite safely.

1909 June, “Character Sketch. Sir Robert Stout; or, 'Tis Forty-Six Years Since.”, in W. T. Stead, editor, The Review of Reviews‎, volume XXXIX