Definition of "go together"

go together

verb
third-person singular simple present goes together, present participle going together, simple past went together, past participle gone together
1. (idiomatic, of two people) To be in a relationship.
  Quotations
  The nurse says "A very good friend of yours just called to see how you were & his name was J." […] Told her it was amazing he called, that I haven't seen him in 2 years & we had gone together for 10 years.
  1977-1980, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure
2. (literally, of two people) To accompany each other (e.g. to an event).
3. (idiomatic, of two or more things) To correspond or fit well.
4. (idiomatic) To be inseparable; to go hand in hand.