Correct spelling for the English word "sappest" is [sˈapəst], [sˈapəst], [s_ˈa_p_ə_s_t] (IPA phonetic alphabet).
"Sappest" is not a recognized word in the English language and thus cannot be found in the dictionary. It is possible that this term is a typographical error or a neologism, meaning a newly coined word or phrase that is not yet widely accepted.
However, if we assume "sappest" was intended to be "sappiest," then it derives from the root word "sappy." In this case, we can provide a definition for "sappy" instead.
"Sappy" is an adjective that can have different meanings depending on the context. It is often used to describe something as sentimental or overly emotional, often to the point of being cliche or lacking depth. For example, a sappy movie or song might contain excessively sentimental themes or dialogue, appealing to one's emotions in an exaggerated or predictable way.
Additionally, "sappy" can also refer to something or someone being full of sap, which is the nutrient-rich fluid found in plants. This usage is more technical and less common in everyday language.
In conclusion, "sappest" is not a recognized word, but if "sappy" was intended, it refers to something overly emotional or sentimental, or alternatively, something or someone full of sap.