Platitudinously is a word that describes something that is trite, overused, and lacking in originality. Synonyms for platitudinously include banal, hackneyed, corny, cliched, insipid, and vapid. These words all describe something that is lacking in genuine meaning or significance. While platitudinously is often used to describe something that is said or written, these synonyms can also be used to describe something that is visual, such as a painting, or something that is superficial, like a person's personality. It's important to choose synonyms carefully to ensure that you are accurately conveying the intended meaning, and avoid repetition or confusion.