There are various synonyms for the word "bacterioidal" that can be used to describe a bacterium-like appearance or characteristic. Some of these include bacilliform, rod-shaped, rod-like, and filamentous. Other synonyms include coccoid, spherical, oval, and curved, which describe different shapes and morphologies of bacteria. Additionally, terms such as prokaryotic, unicellular, and microorganisms can also be used to refer to bacteria. These synonyms are useful when describing the structure or behavior of bacteria in scientific research or medical settings. Overall, using these different terms for bacterioidal can add precision and clarity to scientific discourse.