"Unmatch" is generally used to denote the action of removing a match, or to signify two things or people that are not equal or compatible. The antonyms for "unmatch" include match, connect, link, join, and couple. Referring to matching something or connecting people or objects, these words imply a balance and symmetry that unmatch lacks. When two things match, it creates a harmonious and compatible union, unlike unmatch where there is a noticeable difference. By using antonyms for "unmatch," we can convey positive and balanced associations that signify the meeting of two complementary things/people.