A world in which everything and everyone works in perfect harmony.
Esimerkit
As towns continue to grow, replanting vegetation has become a form of urban utopia and green roofs are spreading fast. Last year 1m square metres of plant-covered roofing was built in France, as much as in the US, and 10 times more than in Germany, the pioneer in this field.
To attempt, regardless of the geographical, cultural and historical conditions of the country’s development, which constitutes a part of the world unity, to realize a shut-off proportionality of all the branches of economy within a national framework, means to pursue a reactionary utopia. (Permanent Revolution: Introduction to the German edition)
They are trying the Referendum, and discovering that it is worthless; they prate of proportional representation, of the representation of minorities, and other parliamentary utopias. In a word, they are striving to discover the undiscoverable; that is to say, a method of delegation which shall represent the myriad varied interests of the nation; but they are being forced to recognize that they are upon a false track, and confidence in government by delegation is passing away. (The Wage System, w:fr:Peter Kropotkin)