Biological warfare or bio warfare is the use of toxins, pathogens, and microorganisms as a weapon in war or conflicts. This type of warfare is illegal under international law due to its unpredictable and uncontrollable nature. There are various synonyms for bio warfare that are used by experts in the field, including germ warfare, biological terrorism, and bioterrorism. These terms emphasize the deliberate use of biological agents to cause mass casualties, panic, and disruption. Another synonym commonly used is biowar, which is a concise yet powerful term used to describe the grave threat posed by these weapons. Regardless of the term used, it is clear that bio warfare is a serious threat that must be taken seriously and should always be condemned.