A word for a very messy or slovenly person is "slob." This term typically refers to someone who is untidy, disorganized, or careless in their personal habits. It can also imply a lack of cleanliness or neatness in their appearance or living space.
anoying
slob
slob
The word "slovenly" comes from the Middle English word "sloven," meaning a person who is careless or untidy in their appearance or habits. It has roots in Old Frisian and Dutch languages, where it originally meant a person of a lower class or someone who works in a nonchalant or messy manner.
"Slob" is a term which refers to a noun which means a lazy or slovenly type of person. Some synonyms of the term "slob" are mud, mire, slime, ooze and sloven.
slob
slob
First, "tidy" is an older word for "neat." SO, the antonym (the opposite) would be: untidy, messy, sloppy, and slovenly.
Slovenly is an adjective.
his was slovenly dressed
The untidy man dressed in a slovenly manner.
slovenly