There are many words and phrases that can be used as synonyms for the term "remote possibility". Some of the most common ones include "slim chance", "long shot", "unlikely event", "small possibility", and "distant probability". Other options might include phrases such as "outside chance", "far-fetched idea", or "almost impossible scenario". When trying to convey the idea that something is unlikely to happen, it can be helpful to use colorful language or imagery to add emphasis to the meaning. Regardless of the specific words used, the idea is to convey the concept that the outcome being discussed is unlikely or improbable to occur.