What does "upcharge" mean?

A surcharge for something additional, especially an upgrade (optional amenity).

What is a synonym for "upcharge"?

Common synonyms include: surcharge, surcharges.

noun, verb

noun, verb ·Rare ·Advanced level

Noun

1
A surcharge for something additional, especially an upgrade (optional amenity).

Verb

1
To charge extra or to overcharge (charge someone a surcharge, or charge too much).
2
To overcharge (charge someone with an inflated number or degree of legal charges).
"Threaten to upcharge, threaten consecutive sentencing."

"Threaten to upcharge, threaten consecutive sentencing."

From up- + charge.