Shoestring is a word used to describe something that is done or achieved with very limited resources or money. Therefore, antonyms for the phrase "more shoestring" would be terms such as extravagant, pricey, expensive, plush, or lavish. Essentially, anything that denotes indulgence, luxury, or excess would be an antonym for shoestring. These words imply the idea of abundance and the ability to spend more freely without any constraints. Conversely, more shoestring would refer to a resourceful and frugal approach, indicating a focus on cutting costs and maximising resources effectively. Knowing antonyms for certain words can help increase one's vocabulary and understanding of their meaning in different contexts.