sin

(noun) estrangement from god. Synonyms: sinfulness, wickedness.

(noun) an act that is regarded by theologians as a transgression of God's will. Synonyms: sinning.

(noun) ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle. Synonyms: sine.

(noun) (Akkadian) god of the Moon; counterpart of Sumerian Nanna. Synonyms: Sin.

(noun) the 21st letter of the Hebrew alphabet.

(noun) violent and excited activity. Synonyms: hell. Example: "They began to fight like sin."

(verb) commit a sin; violate a law of God or a moral law. Synonyms: transgress, trespass.

(verb) commit a faux pas or a fault or make a serious mistake. Synonyms: drop the ball, blunder, boob, goof. Example: "I blundered during the job interview."