upcharge verb 2noun 1forms 3 verb2 •To charge extra or to overcharge (charge someone a surcharge, or charge too much). •To overcharge (charge someone with an inflated number or degree of legal charges).Threaten to upcharge, threaten consecutive sentencing. — 2018 noun1 •A surcharge for something additional, especially an upgrade (optional amenity). formsupcharged · upcharging · upcharges
