Abbreviation of supreme.

Acronym of Sailors' Union of the Pacific. / Acronym of Socialist Unity Party. / Acronym of Scottish Unionist Party. / Acronym of Stanford University Press. / Acronym of Software Upgrade Protocol.

Acronym of standup paddleboarding. / Acronym of standup paddleboard. / Acronym of selective ultraviolet phototherapy. / Acronym of single-use plastic(s).

Abbreviation of superior. / (grammar) Abbreviation of superlative.

To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

A sip; a small amount of food or drink.

To take supper.

(slang) what's up (either as a greeting or actual question)

(physics) Being or relating to the squark that is the superpartner of an up quark.

(informal) Superintendent.