Corniness refers to something that is excessively sentimental and lacking in originality, often considered cheesy or outdated. Synonyms for corniness include the terms triteness, banality, cliche, and hackneyed. Another word that is commonly used to describe corniness is "cheesiness", which brings a sense of the ridiculous or over-the-top, indicating that the content is unauthentic. Other synonyms for corniness to consider include sentimentality, mawkishness, and schmaltz, all of which suggest an overly emotional or saccharine tone that may not be well received by all audiences. Overall, corniness is a term that describes an overused or predictable style or design, and these synonyms all refer to similar qualities of being uninspired and unoriginal.