The Square Mile is a well-known name that is often associated with the financial district in London. However, if we were to think of antonyms for this term, we could consider the following:
1. Rural areas: The Square Mile is a symbol of capitalism, business, and urbanization. So, antonyms for this term could include rural, countryside, and agricultural areas.
2. Non-commercial areas: The Square Mile is also associated with business, commerce, trade, and finance. Conversely, its antonyms could be residential areas, parks, and recreational spaces.
3. Unimportant/Insignificant areas: Lastly, the Square Mile is also a figure of authority, importance, and prestige. Therefore, another antonym for this term could be insignificant, unimportant, or irrelevant areas.