The phrase "watering hole" typically refers to a place where people gather to drink and socialize, often a bar or pub. However, there are many antonyms for this term that describe places where people might go for different purposes. Some options might include a fitness center, where people go to exercise and stay healthy, or a library, where individuals go to study and read. Other antonyms could include a church, where people gather to worship and pray, or a museum, where they can explore and learn about history and culture. Ultimately, the antonyms for "watering hole" vary widely depending on the context and the individual preferences of those involved.