1 adjective looking backiardhearcach adj1 c m u2 adjective LAW, FIN effective from past datecúlghabhálach adj1 c m ua retrospective amendmentleasú cúlghabhálach3 adjective ART, LIT, MUS of exhibition etciardhearcach adj1 c m ua retrospective collectionbailiúchán iardhearcach4 noun ART, LIT, MUS exhibition, collectiontaispeántas iardhearcach