meretricious
/ˌmɛrəˈtrɪʃəs/
adjective
- Attractive in a cheap or flashy way, but lacking real value or sincerity.
- The decorations were meretricious, all glitter and no substance.
- Her meretricious charm fooled no one after they saw her true intentions.
- The advertisement used meretricious images to sell a low-quality product.