A person who practices or believes in cynicism; someone who is habitually cynical or distrustful of human nature.
From 'cynicism' plus the agent suffix '-ist' (one who practices or believes), creating a noun for people who embody cynical philosophy.
A cynicist isn't just someone with a bad attitude—the '-ist' suffix suggests they've committed to cynicism as a worldview, like a philosophy they've adopted.
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