- 1undersell something to sell goods or services at a lower price than your competitors Our goods are never undersold (= our prices are the lowest).
- 2undersell something to sell something at a price lower than its real value
- 3undersell somebody/something/yourself to make people think that someone or something is not as good or as interesting as they really are Don't undersell yourself at the interview.
NAmE//ˌʌndərˈsɛl//Verb Forms present simple I / you / we / they undersell
he / she / it undersells
past simple undersold
-ing form underselling