neatnik

/ˈniːtnɪk/
noun
  1. A person who is extremely neat, tidy, and organized, often to an obsessive degree.
    • The office neatnik organized the supply closet by color and size.
    • My roommate is such a neatnik that she vacuums the carpet twice a day.
    • Being a neatnik, he couldn't stand even a single pen out of place on his desk.
Antonyms
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