uncool

[uhn-kool] /ʌnˈkul/
adjective, Slang.
1.
not self-assured or relaxed:
He felt very uncool, making a speech to strangers.
2.
not sophisticated or worldly-wise.
Origin
1955-60; un-1 + cool (def 14)
British Dictionary definitions for uncool

uncool

/ʌnˈkuːl/
adjective (slang)
1.
unsophisticated; unfashionable
2.
excitable; tense; not cool
Word Origin and History for uncool
adj.

1953, in hipster slang, from un- (1) "not" + slang sense of cool (adj.).

Slang definitions & phrases for uncool

uncool

adjective

Not cool; wrong, excited, rude, etc (1953+ Cool talk)