Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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CO-OPERATION IN EVIL

The concurrence with another in a sinful action. This concurrence may be done in several ways: by acting with another in the same sin, as when a person joins another in perpetrating a robbery; by supplying a person what is helpful in performing a sinful action, such as providing a gun or other deadly weapon; and by commanding or suggesting that one do something sinful, by encouraging him or her or suggesting means of carrying it into effect.