(intransitive, idiomatic, dysphemistic) To cohabit as if husband and wife without being married.

(Christianity) Adam's disobedience to God. / (Christianity) The state of sinfulness, present in each human from birth, which is a result of Adam's disobedience.

(simile, colloquial) Unquestionably guilty.

(slang) Las Vegas, Nevada, USA / (dated, slang) Prohibition-era Montreal, Quebec, Canada

Alternative form of sin bin

(sports) To send (a player) to the sin bin, to temporarily dismiss from the playing field.

simple past tense and past participle of sin bin

(idiomatic, politics) A government-imposed tax on a specific good, service, or activity which is legal but widely considered to be unwholesome or socially harmful, such as a tax on alcoholic beverages, tobacco products, or gambling.

(theology) Sin committed by an individual, in contradistinction to original sin.

plural of sin tax