The term "evens up" means to level the playing field, equalize or balance things out. The antonyms for this phrase are words that convey the opposite meaning. Some opposite words for "evens up" include "unbalance," "disproportionate," "bias," "partial," "unequal," "uneven" and "lopsided." These antonyms suggest an imbalance, inequality, and unfairness in a situation, making it challenging to level things out. For instance, if a teacher grades a test unfairly, the grading becomes "biased" and "lopsided," making it difficult to "even up" the grade to make it fair for all students.