1) Careless and untidy 2) Dirty and disheveled 3) Frowsy 4) Frowzy 5) Habitually dirty and unkempt 6) Like Pigpen 7) Untidy Found on https://www.crosswordclues.com/clue/slovenly
Slov'en·ly adjective 1. Having the habits of a sloven; negligent of neatness and order, especially in dress. « A slovenly , lazy fellow, lolling at his ease.» L'Estrange. 2. Characteristic of a sloven; lacking neatness and order; evincing negligence; as, Found on http://www.encyclo.co.uk/webster/S/124