| Noun | 1. | sin - estrangement from godunrighteousness - failure to adhere to moral principles; "forgave us our sins and cleansed us of all unrighteousness" mark of Cain - the mark that God set upon Cain now refers to a person's sinful nature | |
| 2. | sin - an act that is regarded by theologians as a transgression of God's willevildoing, transgression - the act of transgressing; the violation of a law or a duty or moral principle; "the boy was punished for the transgressions of his father" fall - a lapse into sin; a loss of innocence or of chastity; "a fall from virtue" actual sin - a sin committed of your own free will (as contrasted with original sin) original sin - a sin inherited by all descendants of Adam; "Adam and Even committed the original sin when they ate the forbidden fruit in the Garden of Eden" deadly sin, mortal sin - an unpardonable sin entailing a total loss of grace; theologians list 7 mortal sins venial sin - a pardonable sin regarded as entailing only a partial loss of grace | |
| 3. | sin - ratio of the opposite side to the hypotenuse of a right-angled triangle | |
| 4. | Sin - (Akkadian) god of the moon; counterpart of Sumerian NannaMesopotamia - the land between the Tigris and Euphrates; site of several ancient civilizations; part of what is now known as Iraq | |
| 5. | sin - the 21st letter of the Hebrew alphabet | |
| 6. | sin - violent and excited activity; "they began to fight like sin"activity - any specific activity; "they avoided all recreational activity" colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech | |
| Verb | 1. | sin - commit a sin; violate a law of God or a moral lawfall - yield to temptation or sin; "Adam and Eve fell" | |
| 2. | sin - commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview" | |