a. 1. Having the habits of a sloven; negligent of neatness and order, especially in dress. [ 1913 Webster ]
A slovenly, lazy fellow, lolling at his ease. L'Estrange. [ 1913 Webster ]
2. Characteristic of a sloven; lacking neatness and order; evincing negligence; as, slovenly dress. [ 1913 Webster ]
adv. a slovenly manner. [ 1913 Webster ]