Antonyms for the term "over embellished" include underdone, straightforward, simple, plain, minimal, unadorned, conservative, unembellished, unvarnished, and plain-spoken. Over embellished refers to something that is adorned or decorated excessively, while its antonyms are terms that describe things that are modest, plain, or without any unnecessary embellishments. For instance, a plain-spoken person is one who communicates in a direct and honest manner, without any extraneous language or embellishments. Conversely, an over embellished piece of art might have a lot of decorative flourishes or details that detract from its overall aesthetic impact.