Definition of disdain noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Disdain definition: to look upon or treat with contempt; despise; scorn.. See examples of DISDAIN used in a sentence. Master the word "DISDAIN" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Disdain definition Disdain can be a noun and a verb. As a noun, disdain is a feeling you might have toward something you deem unworthy—it implies not only disliking but also a lack of respect. If you want to say that you’re looking at something without respect and with a feeling of dislike, you can say that you disdain it.