adjectiveaidiacht1very damagingtubaisteachadj1cmuit could have disastrous consequencesd'fhéadfadh iarmhairtí tubaisteacha teacht asit was disastrous for the schooltubaiste ba ea é don scoil2informalneamhfhoirmeáltavery unsuccessfultubaisteachadj1cmuuafásachadj1cmuit was a disastrous marriagecleamhnas tubaisteach ba ea é
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