Source : Webster's Revised Unabridged Dictionary (1913)

Slovenly \Slov"en*ly\, adv.
   a slovenly manner.

Source : WordNet®

slovenly
     adj : negligent of neatness especially in dress and person;
           habitually dirty and unkempt; "filled the door with her
           frowzy bulk"; "frowzy white hair"; "slovenly
           appearance" [syn: {frowsy}, {frowzy}]