Synonyms of 'demean'
degradeDictionary, lower, debase
Pornography demeans women.
phrasal verbdemean yourself
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to humble or belittle (oneself, etc)
He made his courtiers abase themselves before him.
I won't debase myself by answering that question.
Thesaurus for demean from the Collins English Thesaurus
If you demean yourself , you do something which makes people have less respect for you.