This book is only a novel in the 'loose' sense of the word. [=the word “novel” does not usually refer to a book like this; many people would not consider the book a novel]
Ten advocacy groups from all parts of the country formed a 'loose' alliance/association/coalition to present their shared interests to Congress.
She's been 'cut loose' from her contract. [=the company/organization with whom she had a contract to work has ended the contract]
(..) Einstein never knew I was gone! Marty! What in the name of Sir Isaac H. Newton happened here? Doc, my kid showed up. All hell broke loose. Your kid? Great Scott, I was afraid of this. I used it on Jennifer. There wasn't enough power left to knock your son out for a full hour. (..)1989 Back to the Future Part II