As an adjective uncool
is (slang) not in accord with the current fashion, standards or mores of a particular group; not cool.
As a noun uncoolness is
the state or condition of being uncool (unfashionable).
uncool
English
Adjective
(
en adjective)
(slang) not in accord with the current fashion, standards or mores of a particular group; not cool
Antonyms
* cool
uncoolness
English
Noun
(-)
The state or condition of being uncool (unfashionable).