adjectiveaidiacht1disastroustubaisteachadj1cmua catastrophic earthquakecrith talún tubaisteachcatastrophic lossescaillteanais thubaisteacha2involving major changeollmhóradj1cmuthese years saw catastrophic social upheavalbhain réabadh ollmhór sóisialta leis na blianta sin3unfortunate, unsuccessfultubaisteachadj1cmuuafásachadj1cmuainnisadj1cmuthe party turned out to be catastrophictharla gur tubaiste ghlan a bhí sa chóisir, bhí an chóisir go hainnis