Synonyms for Perverse (same or very similar meaning)
WordNet sense 1 (characterized by or displaying negation or denial or opposition or resistance; having no positive features):
negative
WordNet sense 2 (resistant to guidance or discipline):
contrary, obstinate, wayward, contrary
WordNet sense 3 (marked by immorality; deviating from what is considered right or proper or good):
depraved, immoral, perverted, reprobate
WordNet sense 4 (lacking in integrity):
corrupt
From the ODE community, based on WordNet
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