pejorative language - A word that describes someone who has an intention to ridicule another person by questioning everything they say?

dismissive (or one of the synonyms given below)

dismissive /dɪsˈmɪsɪv/

adjective

feeling or showing that something is unworthy of consideration.
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synonyms: contemptuous, disdainful, scornful, sneering, snide, scathing, disparaging, negative, unenthusiastic, offhand, perfunctory; More
informal - sniffy, snotty

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