The word "un-symmetrical" refers to something that lacks symmetry or balance. Its antonyms, on the other hand, are words that describe symmetrical or balanced objects. These antonyms include balanced, symmetric, equal, harmonious, proportionate, and uniform. All of these words suggest a sense of evenness or similarity, which contrasts with the unevenness and asymmetry of "un-symmetrical." When you describe something as symmetrical or balanced, you are implying that it is pleasing to the eye and has a pleasing aesthetic. Moreover, these antonyms highlight the importance of balance and harmony in our surroundings, as well as the sense of order they bring.