The word "un-charitableness" refers to the lack of kindness or generosity towards others. There are various antonyms for this word, which include charity, kindness, generosity, compassion, and benevolence. Charity refers to the act of giving aid, support, or help to those in need, whereas kindness denotes the quality of being friendly, considerate, and gentle towards others. Generosity is the willingness to share or give freely without expecting anything in return. Compassion refers to the ability to empathize with others and their suffering, while benevolence denotes the disposition to do good and be kind to others. These antonyms reflect positive qualities and traits that are essential for building strong relationships and creating a better world.