The phrase "hadst no stomach for" typically means to lack the desire or courage to do something. Some antonyms for this phrase include eager, enthusiastic, bold, daring, adventurous, resolute, determined, gutsy, and intrepid. These words suggest an eagerness to take on challenges and a willingness to take risks. In contrast, having no stomach for something suggests fear or hesitation. Using antonyms of "hadst no stomach for" can help to convey a sense of confidence and courage, making it clear that you are ready and willing to face any challenge that comes your way.