Pertaining to heaven or to the sky; celestial. / Exalted, exquisite, superlative.

(of a speed) Greater than the speed of sound (in the same medium, and at the same temperature and pressure). / (colloquial, of a sound) Ultrasonic, having a frequency too high to be audible.

An aircraft that can travel at the speed of sound.

superheterodyne receiver

In any of various contexts, a specifically named instance of a super, such as a particular superintendent, supervisor, or super-weapon.

A fictional comic-book superhero with superhuman strength and speed, x-ray vision, and the ability to fly.

Alternative letter-case form of superman: a strong, tough or resistant man. / (motorcycling, plural Supermans) A stunt in which the rider releases both hands from the handlebars in mid-air.

(anatomy) The large vein which returns blood from the head, neck, thorax and both upper limbs to the right atrium of the heart.

First-rate; of the highest quality; exceptionally good. / Grand; magnificent; august; stately. / (dated) Haughty.

plural of supersonic heterodyne receiver