The antonyms for the word "most tight wad" are generous, liberal, extravagant, lavish, bountiful, and munificent. Someone who is generous is willing to give freely, without expecting anything in return. A liberal person believes in freedom and equal rights for all, and is often associated with political views that are progressive and open-minded. An extravagant person is someone who spends money excessively, while a lavish person is someone who indulges in luxury and extravagance. A bountiful person is kind and gives generously, while a munificent person is generous in bestowing gifts or favors. By being the opposite of a tight wad, these antonyms describe people who are willing to spend money, time, or energy for the benefit of others.