The word "poormouth" refers to the practice of making exaggerated complaints about one's financial situation, often in order to elicit sympathy or assistance from others. Antonyms for this word might include terms that connote wealth, opulence, or prosperity, such as "wealthy," "affluent," or "prosperous." Other antonyms might reflect more positive attitudes towards money and success, such as "ambitious," "confident," or "entrepreneurial." Additionally, terms like "content," "satisfied," and "grateful" might serve as antonyms for poormouthing, as they imply a more positive and satisfied perspective on one's financial situation.