1 adjective very impressivemórthaibhseach adj1 c m usuntasach adj1 c m uthere was a spectacular fireworks displaybhí taispeántas mórthaibhseach tinte ealaíne annwhat a spectacular view!nach iontach an radharc é!, a leithéid de radharc!2 adjective extremeher efforts were a spectacular failuretheip glan ar a cuid iarrachtaíwe had a spectacular argumentbhí argóint uafásach eadrainn, bhí argóint mhór mhillteach eadrainn3 noun showseó mórthaibhseach