(US politics) A state which may vote Democratic or Republican, in a given election or generally.

(physics) A superposition of the most extreme states possible in a system, analogous with Schrödinger's cat, which is in a superposition of "dead" and "alive".

(US politics) The State of the Union address, an annual event in which a president of the United States reports the status of the country, normally to a joint session of the United States Congress.

(physics) any state of a particle or system of particles that has a higher energy than that of its ground state

(physics) The stationary state of lowest energy of a particle or system of particles.

A state or country that is governed constitutionally as one single unit, with one constitutionally created legislature.

(chemistry) the state of an atom having a particular oxidation number

(physics) a vacant electron energy state near the top of the energy band of a solid; the movement of electrons between such states is the basis of electrical conduction

The psychological state of someone's cognitive processes at a certain time; the condition or character of a person's thoughts or feelings.

(physics) A composite of two or more particles that behaves as a single particle.