To sell at a lower price than or to work for lower wages or fees than (a competitor).
To reduce drastically
To reduce is to make something smaller or to become or feel smaller, or forcing someone into a less desirable position.
To attract prospective buyers; be popular on the market:
Find another word for undersells. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for undersells, like: undercuts, cuts, slashes, reduces and sells.