Which of the following words best describes a person or thing that is excessively showy or elaborate?

The word "ostentatious" accurately describes a person or thing that is excessively showy or elaborate. This term is derived from the Latin "ostentare," which means "to display." It conveys a sense of deliberate and extravagant display, often used to attract attention or admiration. When someone or something is referred to as ostentatious, it implies a level of flamboyance or pretentiousness in their appearance or mannerisms, highlighting the effort to be noticed or to stand out in a conspicuous manner.

In contrast, the other options represent qualities of humility or understatedness. "Modest" refers to a lack of vanity or self-importance. "Subtle" suggests something that is understated or not immediately obvious, often requiring careful observation to appreciate. "Unassuming" describes a lack of pretension or arrogance, indicating a humble nature. Each of these terms carries a connotation of simplicity or restraint, which is fundamentally different from the extravagance implied by "ostentatious."