noun
- a very fashionable person, especially one who works in the fashion industry.
noun
- informal a person who follows trends in the fashion industry obsessively and strives continually to adopt the latest fashions
by 1996, from fashion + -ista (see -ist). In the same sense were fashionist (1610s, alive as late as 1850); fashion-monger (1590s); fashion-fly (1868).