undersell

under- +‎ sell

• Rhymes: -ɛl

undersell (third-person singular simple present undersells, present participle underselling, simple past and past participle undersold)

1. To sell goods for a lower price than a competitor.

   Synonym: undercut

   Our price-match guarantee: we will not be undersold!

2. To sell something for less than its value.
3. To put forward an idea, or to market a new product, with insufficient enthusiasm.
   • 2020, Sophy Roberts, The Lost Pianos of Siberia, page 12:

     But by inferring sleep, the etymology also undersells Siberia's scope, both real and imagined.

• oversell

• sell short