supersize

to increase the size of

superstar

a famous performer or athlete

supervise

to monitor someone or something

supernova

a star that increases in size because of an explosion

superglue

a very strong, quick-setting adhesive

superheat

to heat a liquid above its boiling point

supersede

to take the place of a person or thing by force

superstore

a shop that contains more than the average amount of space and items to sell

supersonic

a speed that is greater than the speed of sound

superhuman

a person with stronger abilities or powers than the average person

supercharge

to make faster or more powerful

supernatural

things that some people believe are real, but are not part of nature (example - ghosts, magic, etc)

submit

to give in to someone or something

suburb

a smaller city that is outside of the larger city (for example- Pearland)

subset

a part of a larger group of related things

subpar

below normal standards or levels

subway

an underground railroad

subvert

to overturn or overthrow

subtext

a hidden message in a piece of writing

subplot

a side story within a major story

subsoil

the layer immediately under the surface of the earth

subgroup

a group that is within a larger group

subtract

to take away from another group