Definitions

1. noun

A person who uses or defends a flexible and often arbitrary interpretation of the law, ethics, or principles, especially for personal gain or advantage.

“The lawyer was accused of being a casuist, twisting the law to suit his client’s needs.”

2. noun

A person who uses or defends a subtle or evasive argument, often to avoid a straightforward or uncomfortable conclusion.

“The philosopher was a casuist, always finding ways to qualify or justify his position, rather than directly addressing the issue at hand.”