The word "de-segregates" implies the integration of different groups, but the opposite of this word would be segregation. Segregation is the practice of separating people based on certain characteristics like race, religion, or gender. Other antonyms for "de-segregates" could be isolate, divide, exclude, or discriminate. These words suggest a negative and harmful stance towards diversity and inclusivity. They go against the principles of equality and equity, which espouse that everyone should be treated fairly, regardless of differences. As society moves towards greater acceptance and respect for all individuals, the use of words like "de-segregates" becomes increasingly important.