Undesirable rhymes with:
desirable, desirable, desirable, desirable, adorable, arable, bearable, clarabelle, corabelle, curable, demonstrable, deplorable, desirable, durable, execrable, horrible, impenetrable, incurable, marable, mirabal, mirabelle, nondurable, orabelle, parable, repairable, terrible, unbearable, uninsurable, wearable