The phrase "went partners" typically means to become business associates or collaborate on a project. Some antonyms for this phrase could include working solo, rejecting collaboration, or going it alone. Alternatively, one might choose to work with a competitor or form a partnership with a different individual or organization. While going partners can be a great way to increase productivity and share the workload, some entrepreneurs prefer to maintain complete control over their business ventures. Ultimately, the decision to go partners or work independently will depend on the circumstances, goals, and personalities of those involved.