The phrase "more la-de-da" is often used to refer to something that is excessively fancy or pretentious. To describe this type of behavior or attitude using different words, one might use synonyms like ostentatious, grandiose, or pompous. These words imply a sense of showiness or exaggeration, as if the person or thing being described is trying too hard to appear impressive. Other possible synonyms for "more la-de-da" might include affected, artificial, or contrived, all of which evoke a sense of phony or insincere behavior. Whether describing a person, a situation, or an object, these words convey a sense of superficiality and over-the-topness that can be hard to take seriously.