supercool


1su·per·cool

verb \ˌsü-pər-ˈkül\

Definition of SUPERCOOL

transitive verb
:  to cool below the freezing point without solidification or crystallization
intransitive verb
:  to become supercooled

First Known Use of SUPERCOOL

1906

2supercool

adjective

Definition of SUPERCOOL

:  extremely cool: as
a :  showing extraordinary reserve and self-control
b :  being the latest style or fashion

Examples of SUPERCOOL

  1. <the teen picked out some supercool, superexpensive sneakers>

First Known Use of SUPERCOOL

1970

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