adjective
meretricious
mair-uh-TRISH-us/ˌmerəˈtrɪʃəs/
Flashily attractive but lacking real value or integrity.
The necklace's peeling gold-colored coating exposes its meretricious beauty.

Etymology
The pieces originally meant “pertaining to prostitutes.” The adjective shifted to describing gaudy, deceptive allure: an appearance that attracts attention without offering genuine value.
In context
meretricious Paris of the Second Empire
More examples
- The report offers meretricious charts instead of meaningful analysis.
- Behind the hotel's meretricious glamour lie cramped rooms and broken fixtures.
- She rejects the campaign's meretricious promises of instant prosperity.
Forms
meretricious
meretriciousness noun — Showy attractiveness that conceals a lack of worth.