[soo-per-mahr-ki-ter] /ˈsu pərˌmɑr kɪ tər/
a person who owns or operates a supermarket.
/ˌsuːpəˈmæsɪv/ adjective 1. (of a black hole or star) having a mass in the range of millions or billions of times that of the sun
[soo-per-mas-iv, soo-] /ˈsu pərˈmæs ɪv, ˌsu-/ noun 1. Astronomy. a star with a mass more than fifty times the mass of the sun.
noun (modifier) 1. having or relating to the very highest levels of security: a supermax jail noun, adjective See super-max
noun, adjective a maximum security prison for the most dangerous criminals; also written supermax Examples Super-max prisons have extreme and elaborate security. Word Origin 1980