All 3 Uses of

slovenly
in
The Adventures of Augie March

Cousin Anna, no less slovenly than in other days, had pancakes and coffee going and a big spread on the table.†
Chpt 12 *

He had a long chest but his legs were relatively short; he walked quickly, toes in, slovenly in his double-breasted long jacket, a densely hairy, mild, even delicate person.†
Chpt 13

I don't believe Clem had many of the vices that lead to damnation, but such as they were they were very evident on this occasion—late rising, puffiness, double-breasted slovenliness of the kind that old gentleman La Bruyere thought so sordid, tobacco stink, lint, and cat hairs on him, kept up by dime-store purchase and cheap accommodation, as in aftershave lotion, Sta-comb, artificial silk socks, and so forth, besides his lordly self-abuse look.†
Chpt 22

Definition:

messy or dirty;

or:

excessively careless or casual