The Anticapitalist Left Cooperation for the Overthrow (Greek: Αντικαπιταλιστική Αριστερή Συνεργασία για την Ανατροπή ΑΝΤ.ΑΡ.ΣΥ.Α. Antikapitalistiki Aristeri Synergasia gia tin Anatropi Ant.Ar.Sy.A) is a coalition of radical left political organisations in Greece. The Greek word antarsia (which is pronounced the same as the acronym Antarsya) means mutiny.