diongna Definitions (by source) Show all Poems on the O'Reillys unusual, unnatural. ní diongna dhóibh a dhéineamh, 2180. Poems on the O'Reillys. Editor: James Carney. The Book of O'Hara: Leabhar Í Eadhra 2048 n. The Book of O'Hara: Leabhar Í Eadhra. Editor: Lambert McKenna S.J.