The word "glitzier" is an adjective that describes something which is highly glamorous, showy or extravagant. In contrast, some of its antonyms include the words "simple", "modest", "ordinary" and "humble". These words convey a sense of minimalistic essence, which is exact opposite of the glitzy and flashy nature of "glitzier". These antonyms suggest a preference for understated elegance and practical functionality over ostentatious displays of wealth or status. So, if you're looking for a less glitzy alternative to your current lifestyle, perhaps these antonyms can help you find something more down-to-earth and humble.