premium
US /ˈpriː.mi.əm/
UK /ˈpriː.mi.əm/
1.
a sum added to an ordinary price or charge
:
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There's a premium for express delivery.
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You pay a higher premium for better insurance coverage.
1.
of superior quality or value; high-end
:
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This car uses premium fuel.
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They offer premium services to their top clients.