Definition of "look down on"

look down on

verb
third-person singular simple present looks down on, present participle looking down on, simple past and past participle looked down on
1. (transitive, idiomatic) To regard or treat as inferior.
  Quotations
  He remembers feeling that people looked down on him, and, ‘realising I was rubbish at academic stuff’, he decided he'd join a circus.
  2009 September 25, Michael Deacon, “Ross Noble: interview”, in Telegraph.co.uk
2. (transitive) To view from a vantage point.
  Quotations
  High up on the viaduct, and approached by a spidery staircase from the street, it looks down on Southwark Cathedral.
  1948 March and April, “A Keypoint in an Intensive Service”, in Railway Magazine, page 115
3. (transitive, idiomatic) To view [people or events on Earth] from the vantage point of the afterlife (originally, Heaven)