ad valorem

adjective

ad va·​lo·​rem ˌad-və-ˈlȯr-əm 

: imposed at a rate percent of value

ad valorem tax on goods

compare specific entry 1 sense 5b

Examples of ad valorem in a Sentence

Recent Examples on the Web

The carriers have two methods to choose from — either a percentage of the country's tariff rate (ad valorem) or a flat per-package fee, De Filippis explained. —Lori Ann Larocco, CNBC, 29 Aug. 2025

That option is only available for six months whereupon shippers will need to use the topline ad valorem tariff rate. —Tobias Burns, The Hill, 28 Aug. 2025

The new rate is made up of the 10 percent baseline tariff, as well as an ad valorem duty triggered by the prosecution of former President Jair Bolsonaro, now standing trial for attempting to overturn his 2022 election defeat. —Hugh Cameron, MSNBC Newsweek, 7 Aug. 2025

Typically, property taxes are assessed ad valorem, a Latin term meaning toward value, or based on the value of the property. —Roger Valdez, Forbes.com, 1 Aug. 2025

Word History

Etymology

New Latin ad valōrem "according to the value"

First Known Use

circa 1754, in the meaning defined above

Rhymes for ad valorem

• digitorum
• aurum
• foram
• forum
• quorum
• decorum
• picloram
• pullorum
• neonatorum

Legal Definition

ad valorem

adjective

ad va·​lo·​rem ˈad-və-ˈlōr-əm, ˈäd-vä-ˈlō-rem 

: imposed at a rate based on a percent of value

an ad valorem tax on real estate

Etymology

Latin, according to the value