Antonyms for the word nuance include terms like bluntness, straightforwardness, and sameness.
Explanation: The term nuance refers to subtle differences in meaning, expression, or response. When something lacks nuance, it is often described as being very clear-cut or simplistic. Therefore, words like bluntness suggest an absence of subtlety, while straightforwardness implies a directness that avoids complexity. Same or uniformity also reflects a lack of variation or distinction, further emphasizing a lack of nuance.