When we talk about the term "more contrastive," it means having more distinct differences. Therefore, the antonyms of this term can be words that suggest less difference or more similarity. Some of the antonyms for "more contrastive" can include similar, monotonous, homogeneous, parallel, identical, and uniform. These words suggest that there is either no difference or only slight differences between two or more objects, concepts or ideas. For instance, "parallel" suggests that two things move and behave in a similar direction, whereas "homogeneous" means the same or identical. Overall, knowing different antonyms helps to expand our vocabulary and enhance our communication skills.