Protozoological is a complex and specialized term, and it can be challenging to find suitable synonyms for it. However, some alternative terms can be used to describe the study of protozoa. For instance, protozoology or protistology can be used interchangeably with protozoological, describing the scientific study of unicellular organisms, including ciliates, flagellates, and sporozoans. Other related terms include single-celled organisms, unicellular life, and microorganisms research. As such, scientists and researchers can use these synonyms to describe the scientific study of protozoa, facilitating better communication among their peers and the public.