Contradistinguishes means to make a clear distinction or differentiate between two objects, people or concepts. Antonyms for contradistinguishes would therefore be words which indicate a lack of distinction, differentiation or separation. Examples of antonyms for contradistinguishes include words like blend, mix, unite, merge, fuse, meld, intermingle, or homogenize. These words suggest that there is no difference or separation between the things being considered. Therefore, it is important to remember that antonyms for words like contradistinguishes change based on the context in which you are using them.