A greeting consisting of the interjection.
A supervision.
Supplement.
Supremum, upper limit.
A sip; a small amount of food or drink.
Superintendent.
Being or relating to the squark that is the superpartner of an up quark.
To sip; to take a small amount of food or drink into the mouth, especially with a spoon.
To take supper.
what's up (either as a greeting or actual question)