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”)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for uncool

British Dictionary definitions for uncool

uncool

/ (ʌnˈkuːl) /

adjective slang

unsophisticated; unfashionable
excitable; tense; not cool

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012