Antonyms for the phrase "went separate ways" could be "united," "reconciled," "merged," "combined," or "came together." These antonyms imply a sense of togetherness, harmony, and unity, as opposed to the idea of separating or going one's own way. Additionally, antonyms for "went separate ways" could include phrases such as "stayed together," "remained connected," "coalesced," or "formed a bond." These phrases suggest a strong sense of connectedness and indicate that parties involved did not go down separate paths. Ultimately, the antonyms for "went separate ways" imply a sense of unity, cohesion and a shared purpose rather than division and separation.