The adjective unidentifiable describes something or someone that cannot be recognized or named. If you read mystery novels, you know that a body is often unidentifiable, but the detective figures out who it is by the end of the book and solves the crime.
People aren't the only things that can be unidentifiable. You may see an unidentifiable car — one that is nondescript and has no specific markings or license plates. You may have a refrigerator full of unidentifiable packages, especially if all the labels are missing. It's always best not to leave things in the fridge for months before you try to identify them.
