oxymoron

Definitions

two contradicting terms put together.
ex: sluggish racecar

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(Noun) two contradictory terms placed right next to each other. No nouns which have contradictory terms can be oxymorons if you are only looking at adjectives like smart governors. They have to literally be the opposite thing.
The "living dead" are eating all our "genuine artificial" "jumbo shrimp."

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using contradiction in a manner that makes sense on a deeper level

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(Noun) A word or phrase that contradicts itself so as to not make sense, often not intended.

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(Noun) A word that contradicts another word. ex: The little river was massive.