The antonyms for the phrase "more beat up" can be "brand new," "pristine," "impeccable," "flawless," "spotless," "untarnished," "unblemished," "unspoiled," and "unscathed." These words describe something that is in excellent condition, without damage, marks, or scuffs. Conversely, "more beat up" implies that something is worn out, damaged, or in poor condition due to long-term use or mistreatment. Antonyms are useful when comparing two things that are opposites. By using the right antonym in your writing or speech, you can convey the exact meaning and tone of what you want to say.