▪ an act regarded as a serious or regrettable fault, offense, or omission:"he committed the unforgivable sin of refusing to give interviews"Similarscandalcrimedisgraceoutrage
verb
1. commit a sin: "I sinned and brought shame down on us"
▪ offend against (God, a person, or a principle):"I had sinned against my master"
Word OriginOld Englishsynn (noun), syngian (verb); probably related to Latin sons, sont- ‘guilty’.