If we apply the second law of thermodynamics to this then we can see that the universe will continue to spread out and become less ordered and if it survives for long enough will eventually end in the 'Heat Death' when all of the matter has reached equilibrium and the entropy is at its highest. There may well be almost infinitesimal fluctuations but other than that the universe as we know it will be dead. On a final note it may seem that a black hole would violate the second law of thermodynamics because a singularity is the most ordered form of matter possible and should have an entropy of zero. However Stephen Hawking showed that the entropy of matter absorbed by a black hole is stored in the surface area of its event horizon and as such is released back into the universe as the black hole decays by Hawking radiation. During a process, if the system begins and ends at the same state, it is impossible that heat is completely turned into work.
Heat flows spontaneously from a hot object to a cold object.
The change in entropy is equal to the change in the heat along a reversible path divided by the temperature. The entropy of an isolated system will always increase in a spontaneous process. The last definition is essentially the one you are recalling. The idea that entropy is disorder is not quite right and its unfortunate that this concept has been held onto so long. A better definition of entropy would be the definition that is common to statistical mechanics and was proposed by Boltzmann.