English-Italian translations for irreplaceable

insostituibileSi tratta altresì di un alimento fondamentale e insostituibile per la vita vegetale. It is a vital and irreplaceable food for plant life. Le banche pubbliche rivestono un ruolo insostituibile in quest'ambito. Public banks have an irreplaceable role to play here. Il commercio svolge pertanto un ruolo insostituibile in campo economico e sociale. So commerce has an irreplaceable role in the economy and in society.

That cannot be replaced, especially because it is unique. i.e. not just batteries that physically cannot be replaced, but usually sentimental things like family photos--

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