I. Date: 1906 transitive verb to cool below the freezing point without solidification or crystallization, intransitive verb to become ~ed, II. adjective Date: 1970 extremely cool: as, showing extraordinary reserve and self-control, being the latest style or fashion
SUPERCOOL
Meaning of SUPERCOOL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012