1. noun /ˈɡɒ.θɪk,ˈɡɑ.θɪk/
a) an extinct language, once spoken by the Goths
One hundred fifty Gothics sold over 1.5 million copies a month last spring.
b) A novel written in the Gothic style.
2. adjective /ˈɡɒ.θɪk,ˈɡɑ.θɪk/
a) of or related to the Goths.
"Enormities which gleam like comets through the darkness of gothic and superstitious ages." (Percy Bysshe Shelley in a 1812 letter, Prose Works (1888) II.384, cited after OED)
b) barbarous, rude, unpolished, belonging to the "Dark Ages", medieval as opposed to classical.
Why is this gothic glam so popular? (New Musical Express 24 December 1983, cited after OED)
Wikipedia foundation.