0 If something is spare, it is extra and not being used. -- in più, di ricambio, di riserva
3 an extra thing that is not being used, and that can be used instead of a part that is broken, lost, etc. -- pezzo di ricambio
4 to manage without -- (fare a meno di)
No-one can be spared from this office.
5 to afford or set aside for a purpose -- risparmiare, dedicare