Cornball is a term used to describe someone or something that is outdated, unoriginal, or overly sentimental. Synonyms for cornball include cheesy, cliche, sappy, sentimental, trite, hokey, old-fashioned, vintage, and outdated. These words all capture the essence of something that is lacking in originality and is instead relying on worn out tropes and ideas. While some may embrace cornball concepts as nostalgic or heartwarming, others view it as uninteresting or even cringe-worthy. Synonyms for cornball can be used to describe anything from an old love song to a dad joke, and can be either endearing or off-putting depending on the person and the context.