(not) always, (not) necessarily, (not) entirely, (not) all
General Usage
When combined with a negative predicate, it creates the meaning of 'not necessarily' or 'not always'. It is often used with phrases like とは限らない (not limited to) or わけではない (it doesn't mean that) to clarify the partial negation.
高い物が
Expensive things are not always good.
全員が
It is not necessarily true that everyone likes sushi.