1 ultracool | Definition of ultracool

ultracool

adjective
ul·​tra·​cool | \ ˌəl-trÉ™-ˈkül How to pronounce ultracool (audio) \

Definition of ultracool

: extremely or extraordinarily cool ultracool temperatures At times, Miguel seemed calm, ultracool, and controlled …— Kelly Fitzpatrick especially, informal : very good or fashionable bought an ultracool car

First Known Use of ultracool

1868, in the meaning defined above

Keep scrolling for more