Microaerophile is a term used to describe a microorganism that requires low levels of oxygen to live. Some synonyms for the word microaerophile are oxygen-sensitive organism, facultative anaerobe, and microaerophilic bacterium. The oxygen-sensitive organism refers to the microbe that cannot survive in the presence of too much oxygen, and facultative anaerobe is a term used for a microorganism that can survive in both the presence and absence of oxygen. Lastly, microaerophilic bacterium describes the microbe that prefers environments with low oxygen concentrations. These synonyms can be helpful in understanding the characteristics of microorganisms and their adaptation to different environmental conditions.