The antonyms for the word "incurvates" are straightens, levels, flattens, unbends, unravels, relaxes, flattens out, and stretches. Incurvates means to bend or curve inwards, whereas the antonyms mean the opposite, to stretch or straighten outwards. These antonyms can be used in various scenarios such as describing the posture of a person, the shape of an object, or the alignment of a surface. For instance, a flat board does not incurvate, but rather flattens. Similarly, a person who has a straight spinal column is not incurvated, but rather standing upright. Understanding the antonyms of a word helps in using the right word in the right context.