Pound-foolishness is a term used to describe short-sighted thinking, where one sacrifices long-term gains in favor of immediate savings. Some synonyms for pound-foolishness include short-sightedness, myopia, imprudence, and recklessness. Other related terms include narrow-mindedness, penny-pinching, and parsimony. These synonyms highlight the negative consequences of pound-foolish thinking, such as missed opportunities, wasted resources, and ultimately, reduced success and profitability. On the other hand, antonyms for pound-foolishness would include prudence, foresight, wisdom, and shrewdness, which emphasize the importance of factoring in long-term consequences when making decisions.