The Collaborative International Dictionary of English v.0.48:

Slattern \Slat"tern\, n.
   A woman who is negligent of her dress or house; one who is
   not neat and nice.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Slattern \Slat"tern\, a.
   Resembling a slattern; sluttish; slatterny. "The slattern
   air." --Gay.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Slattern \Slat"tern\, v. t.
   To consume carelessly or wastefully; to waste; -- with away.
   [R.] --Chesterfield.
   [1913 Webster]

WordNet (r) 3.0 (2006):

slattern
    n 1: a prostitute who attracts customers by walking the streets
         [syn: streetwalker, street girl, hooker, hustler,
         floozy, floozie, slattern]
    2: a dirty untidy woman [syn: slattern, slut, slovenly
       woman, trollop]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "slattern":
   baggage, bimbo, blowsy, crone, dowdy, drab, draggletailed,
   fallen woman, frowsy, frump, gammer, hag, harlot, hog, hooker,
   hussy, hustler, jade, litterbug, loose woman, pig, pro, prostitute,
   schlep, schlump, slob, sloven, slut, sordid, streetwalker,
   strumpet, swine, tart, traipse, tramp, trollop, trull, wanton,
   wench, whore, witch