uncool

adjective

un·​cool ˌən-ˈkül 

1

: lacking in assurance, sophistication, or self-control

2

: failing to accord with the values or styles (as of dress or behavior) of a particular group : not accepted or admired as cool or proper

driving an uncool car

an uncool remark

Examples of uncool in a Sentence

Her parents' car is totally uncool.

It's uncool to lie to your friends.

Recent Examples on the Web

Is there no way to create a pro-tech movement that’s neither cruel nor uncool? — Margaux MacColl, Vanity Fair, 29 Sep. 2026

Now, in being seen as someone of a certain stature, that kind of behavior is uncool. — Kyle Denis, Billboard, 28 Sep. 2026

Someone with aura is confident, cool, collected, and suave; someone without aura is insecure, cringey, or generally uncool. — Stephanie Kasulka, Parents, 1 Sep. 2026

So right about the time many tweenage daughters decide their dad is oh-so-uncool, Sabina and I became closer … because of cancer. — Caleb Hellerman, CNN Money, 22 Aug. 2026

Word History

First Known Use

1948, in the meaning defined at sense 2

Rhymes for uncool

• ampoule
• bascule
• carpool
• cesspool
• ferrule
• footstool
• guayule
• lobule
• misrule
• preschool
• pustule
• whirlpool