casuistic

/ˌkæʒuˈɪstɪk/
adjective
  1. Using clever but false reasoning, especially about moral issues.
    • His casuistic argument made it seem okay to break the rule, but everyone knew it was wrong.
    • Casuistic thinking can lead people to justify harmful actions with twisted logic.
    • The teacher saw through the student's casuistic excuse for not doing homework.
Antonyms
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