What does look down on mean?

[Nenad11]

English Language Tests, Intermediate level

ESL/EFL Test #195 "Phrasal Verbs (L)", question 4

The rich families ......... poor people in this area.

(a) look down in
(b) look down on
(c) look down back

English Language Tests, Intermediate level

ESL/EFL Test #195 "Phrasal Verbs (L)", answer 4

The rich families look down on poor people in this area.

Correct answer: (b) look down on

Your answer was: correct
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Does it mean that the rich families don't treat them well,that's to say, they don't behave towards them
well?

[Linda]

If you look down on someone, you think you're superior to them in some way. In other words, you think you're better than they are (superior attitude) and you might be condescending as a result.
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