Student or Learner
Is the verb 'miss out' separable or inseparable?
e.g. I missed it out. or I missed out it.(the party)
I missed out on it.
I missed it.
"To miss out" doesn't really work in the sense you think it does when talking about a party. It means "to omit".
"To miss out on something" means that you were not involved, not included or didn't go.