Definition of super-
a(1): over and above : higher in quantity, quality, or degree: superhuman
b(1): exceeding or so as to exceed a norm: supersubtle
(2): in or to an extreme or excessive degree or intensity: superheat
c: surpassing all or most others of its kind: superhighway
Definition of -naut
a. Forms nouns meaning a voyager or farer: astronaut
Definition of Supernaut
a. A voyager in excellence, one who strives for betterment.
Someone who works to make their person, life and surroundings better.
One who seeks to exceed the norm.
One who performs, acts or upholds oneself to higher standards.