óafturkræfur

== Icelandic == === Etymology === From ó- +‎ afturkræfur. === Pronunciation === IPA(key): [ˈouːˌaftʏr̥.kʰraiːvʏr] === Adjective === óafturkræfur (not comparable) unrecoverable, unreclaimable irreversible, irrevocable ==== Declension ====