mea culpa

Mea culpa, which means "through my fault" in Latin, comes from a prayer of confession in the Catholic Church. Said by itself, it's an exclamation of apology or remorse that is used to mean "It was my fault" or "I apologize." Mea culpa is also a noun, however. A newspaper might issue a mea culpa for printing inaccurate information, or a politician might give a speech making mea culpas for past wrongdoings. Mea culpa is one of many English terms that derive from the Latin culpa, meaning "guilt." Some other examples are culpable ("meriting condemnation or blame especially as wrong or harmful") and culprit ("one guilty of a crime or a fault").