The antonyms for the word "blood stained" can include words such as clean, spotless, immaculate, pristine, unblemished, and untainted. These words refer to surfaces that have not been touched by any blood or stains. They evoke a sense of purity and clarity, devoid of any traces of violence or trauma. Words like these can be used to describe clothing, fabric, or other objects that have not been affected by any blood or stains. In contrast, "blood stained" implies a sense of violence, tragedy, or injury, making it a strong and evocative word in itself.