incumbent on

1. 1.

   morally binding or necessary

   “it is incumbent on me to attend”

   Similarobligatory

Questions about incumbent on

What does incumbent on mean?

incumbent on means "morally binding or necessary".

Is incumbent on a common word?

incumbent on is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.