Something that is not necessary or essential
Encoding Strategies:
linguistic

Prescindible means dispensable and is an adjective formed from the Spanish word prescindir0, since something that is dispensable is something you're able to do without.
prescindible
dispensable, non-essential, expendable
Something that can be done without is not necessary or essential.
Los accesorios son prescindibles pero hacen la decoración más bonitaThe accessories are dispensable but they make the decoration prettier
Este paso es prescindible en la recetaThis step is non-essential in the recipe