The phrase "made overture" refers to taking the initiative to reach out or make a proposal to another person or group. Some antonyms for this phrase could be to ignore, reject, or refuse to engage. Instead of making an overture, someone might choose to remain passive, disinterested, or unresponsive. Other antonyms for "made overture" might include withdrawing, retreating, or recanting. If someone decides to retract their initial proposal or suggestion, they are essentially undoing or canceling their overture. Ultimately, the antonyms for "made overture" suggest a lack of action, communication, or progress.