When it comes to describing something as showy and pretentious, the term "art ostentatious" often comes to mind. However, there are many other words that can convey a similar meaning. For instance, "pretentious," "flashy," "extravagant," and "garnish" all indicate an excessive or unnecessary display of wealth or status. Furthermore, "bombastic," "grandiose," "flamboyant," and "ornate"are other synonyms for ostentatious that emphasize an over-the-top or exaggerated style. On the other hand, "gaudy," "tacky," or "vulgar" suggest that the ostentatious quality is in poor taste or lacking sophistication. As with any language, having a diverse vocabulary makes communication more effective and nuanced.