Definition: Gussiness is a word that means excessive, over-the-top, or excess in appearance, mannerism, behavior, etc., often inappropriately or excessively. The word comes from the Greek gēs (g) meaning "like" or "besides," and the suffix -yss (y), which translates to "to" or "for" or "as." It is associated with ornamental or decorative elements that are extravagant, grandiose, or ostentatious.