flashy
adj.looking expensive or impressive in a way that is meant to get attention. It often suggests that something is a bit too bright or showy.
adj.ostentatiously attractive or impressive, often in a way that suggests a lack of taste or substance. Frequently describes objects, clothing, or behavior intended to signal wealth.
“He drives a flashy red sports car to impress his friends.”
“The hotel lobby was filled with flashy gold decorations that felt a bit overwhelming for a business trip.”
“While the marketing campaign was flashy and expensive, it failed to address the fundamental flaws in the product's design that consumers had been complaining about for months.”
Often carries a negative connotation of being shallow or over-the-top.
“Viewers familiar with Kusama’s flashy polka dots may be surprised to see her bright color schemes in a painting she named “ The Pacific Ocean ,” which looks more like fire than water.”
From flash + -y.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.