What is demi?

Demi can refer to a few different people or concepts, so I'll give you a bit of information about some of the most common associations with that name:

1. Demi Lovato: Demi Lovato is an American singer, songwriter, and actress. They gained fame as a child actor on the television series "Barney & Friends" and later starred in the Disney Channel movie "Camp Rock." Lovato has released several albums, including "Don't Forget," "Here We Go Again," "Unbroken," "Demi," "Confident," and "Tell Me You Love Me." They are known for hits like "Sorry Not Sorry," "Heart Attack," and "Skyscraper." In addition to their music career, Lovato has been open about their struggles with mental health and substance abuse, becoming an advocate for mental health awareness.

2. Demi Moore: Demi Moore is an American actress and film producer. She rose to fame in the early 1980s and became one of Hollywood's highest-paid actresses in the early 1990s. Some of her notable films include "Ghost," "A Few Good Men," "Indecent Proposal," and "G.I. Jane." Moore is also known for her high-profile marriages to actors Bruce Willis and Ashton Kutcher.

3. Demi (Prefix): In a more general sense, "demi" is a prefix in English, derived from the French word for "half" or "partially." It's often used to denote something that is partially or half of something else. For example, "demigod" refers to a being who is half-god and half-human.

If you meant something else by "demi," feel free to provide more context!