uncool

[ uhn-kool ]
/ ʌnˈkul /

adjective Slang.

not self-assured or relaxed: He felt very uncool, making a speech to strangers.
not sophisticated or worldly-wise.

Origin of uncool

1955–60; un-1 + cool (in the slang senses “socially adept”)

Example sentences from the Web for uncool

British Dictionary definitions for uncool

uncool
/ (ʌnˈkuːl) /

adjective slang

unsophisticated; unfashionable
excitable; tense; not cool