The word "un-cooperative" suggests a lack of willingness to assist or work with someone or something. The antonyms for the word "un-cooperative" include accommodating, obliging, helpful, cooperative, and supportive. Being accommodating means being flexible and adjusting to fit the needs of others. Obliging means to be willing to help or assist in any way possible. Helpful means providing aid or support, while co-operative means working harmoniously with others. And supportive means standing by someone or something and providing encouragement. Using these antonyms can transform an un-cooperative situation into a positive and productive one, benefiting everyone involved.