Sappiness is a word that describes something that is excessively sentimental or mushy. If you're looking for other words to describe this kind of sentimentality, there are many synonymous expressions available. Some of the most popular synonyms for the word sappiness include cloying, maudlin, schmaltzy, syrupy, saccharine, sugary, sentimental, and mushy. All of these words convey a sense of over-the-top sentimentality and can be used to describe things like overly emotional speeches, overly sentimental movies, or even overly sweet candy. So if you're trying to avoid using the word sappiness, any of these synonyms can be a good alternative.