1 a person, esp. a theologian, who resolves problems of conscience, duty, etc., often with clever but false reasoning.
2 a sophist or quibbler.
Derivatives:
casuistic adj. casuistical adj. casuistically adv. casuistry n.
Etymology: F casuiste f. Sp. casuista f. L casus CASE(1)
Useful english dictionary. 2012.