The phrase "making terms" typically refers to negotiating or coming to an agreement with someone. Antonyms for this phrase would include conflict, disagreement, discord, opposition, and disagreement. Instead of "making terms," opposing parties may be "warring" with each other or "opposed" to each other's positions. Rather than "coming to an agreement," they may be "clashing" or "disputing" with one another. Antonyms for "making terms" emphasize the idea of opposition or lack of agreement, whereas the original phrase implies a harmonious resolution of differences.