im ‧ mor ‧ tal /ɪˈmɔːtl $ -ɔːr-/ BrE AmE adjective
1 . living or continuing for ever OPP mortal :
Plato believed that the soul is immortal.
2 . an immortal line, play, song etc is so famous that it will never be forgotten:
In the immortal words of Henry Ford, ‘If it ain’t broke, don’t fix it.’
—immortal noun [countable]