today is a good day to die UK /təˈdeɪ ɪz ə ˈɡʊd deɪ tuː ˈdaɪ/US /tʊˈdeɪ ɪz ə ˈɡʊd deɪ tə ˈdaɪ/ saying2 •An expression of willingness, even eagerness, to give one’s life for a cause.We will keep safe the heritage of this country. And if someday we must die to serve this cause, well, then, it will be a good day to die. — 1997 •An expression indicating that one should not live with any regrets, or tasks left undone.