One who is habitually careless in personal appearance or work.
A person who is careless in appearance, habits, work, etc.; dirty or untidy person.
Origin of sloven
- Middle English slovein perhaps from Middle Flemish sloovin a scold, gossip from Middle Low German slôven to dress carelessly Dutch sloof untidy woman sleubh- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition