To diminish or destroy the province or effectiveness of; undermine:
To reduce or curtail drastically:
To provide (a gun, electric battery, etc.) with too little or too low a charge
To write down.
To be approved of; gain acceptance:
Find another word for undersell. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for undersell, like: undercut, oversell, embarrass, short-change, reduce, slash, cut, undercharge, mark down and sell.