astasia (noun)

1. During the Middle Ages, astasia was often observed in people suffering from ergotism.

2. In the novel, the protagonist's love interest was hindered by her astasia, causing countless moments of despair and longing.

3. Why did the astasia sufferer become a professional dancer? Because they wanted to prove that even with their condition, they could still bust a move!

4. In the futuristic world of the sci-fi book, astasia was eradicated through advanced genetic modifications, allowing everyone to stand with perfect coordination.