disapproval If you say that someone did not have the decency to do something, you are criticizing them because there was a particular action which they did not do but which you believe they ought to have done. Nobody had the decency to inform me of what was planned
The quality or state of being decent, suitable, or becoming, in words or behavior; propriety of form in social intercourse, in actions, or in discourse; proper formality; becoming ceremony; seemliness; hence, freedom from obscenity or indecorum; modesty