conserve
🇺🇸
/kənˈsɜːrv/
🇬🇧
/kənˈsɜːv/
to keep something safe from harm or loss
We must conserve our forests to protect animals and plants.
to use less of something so it lasts longer
Turn off lights to conserve electricity and save money.
a sweet food made from fruit and sugar
She made strawberry conserve with fresh berries from the garden.