noun
a word used to identify any of a class of people, places, or things
preposition
a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
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The board of directors disapprove of the new marketing strategy.
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My parents disapprove of my choice to major in art history.
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She disapproves of his new haircut, calling it 'totally whack.'
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The teacher's raised eyebrow was enough to silently disapprove of the student's behavior.