The word "blood-tingling" refers to something that is extremely thrilling or exciting, often to the point of causing a physical reaction. When looking for antonyms, we can consider words that describe the opposite of these sensations. For instance, "boring" or "mundane" are opposite in meaning to "blood-tingling," as they suggest a lack of excitement or interest. Other antonyms for "blood-tingling" could include "dull," "tame," "uninspiring," and "monotonous." These words connote a flatness that doesn't arouse any intense response. However, it is essential to remember that such phrasing is subjective and can mean too many different things.