\Un*earned"\, a.
Not earned; not gained by labor or service.
{Unearned increment} (Polit. Econ.), a increase in the value
   of land due to no labor or expenditure on the part of the
   owner, but to natural causes, such as the increase of
   population, the growth of a town in the vicinity, or the
   like. Some hold that this should belong to the nation.