sin of omission
1. In Christianity, especially Catholicism, a failure to act in a righteous and virtuous manner or to follow the instructions of the Bible. He claims to live a pious life, yet he refuses to give any of his wealth to those less fortunate. He is blind to his own sin of omission.
2. Any failure to do what is required or correct. The legacy of this governor's administration will forever be a sin of omission, failing to stop this crisis when it had the opportunity and resources to do so.
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