1 adjective very loudtoirniúil adj2 c m utoirní gs as adja thundering sound was heard in the skychualathas fothram toirní sa spéir'Stop!' he said in a thundering voice.'Stad!' ar seisean de ghlór toirní.; 'Stop!' ar seisean de bhúir.the audience gave her thundering applausethug an lucht éisteachta na gártha molta di2 adjective informal hugeshe called him a thundering disgracedúirt sí gur mór an náire éit's a thundering shame that it happenedis náire shaolta é gur tharla sé3 adverb informalthis book is a thundering good readan-leabhar go deo é seoit was a thundering good matchsárchluiche amach is amach a bhí ann, scoth cluiche a bhí ann, bulaí cluiche a bhí ann