To treat something in an excessively intellectual manner(verb)
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Use "overintellectualize" in a sentence
"This is a disparate bunch; as Mr. Goldhill quips, "To be four Jews on a train would have the structure of a joke . . . but you could guarantee that one of us at least would always be depressed and overintellectualize the occasion.""
"It's weird, but Obama's strengths can morph into weaknesses during lectern combat: "Obama has a tendency to overintellectualize and to lecture, befitting his training as a lawyer and law professor," notes the article, and "he tends to the earnest and humorless when audiences seem to crave passion and personality.""
"I say "simply" because there is a tendency to overintellectualize our task or to throw up our hands in despair."