While Utopia is not a work rich in metaphor, the island state of Utopia stands as a metaphor for an ideal society. It is also a metaphor for everything that is wrong with European society, in that greed and corruption are absent from Utopia.
Utopia's crescent shape may be symbolic of the new waxing moon, a symbol of fertility, growth, and new beginnings. The crescent moon was associated in ancient Roman mythology with Diana, the virgin goddess of the hunt and chastity.
Utopia: Metaphor Analysis