oversell

verb

1. (transitive)To agree to sell more of something than one can supply.
2. (transitive)To be too eager in attempting to sell something.
3. (transitive)To praise something to excess.

   “I don't want to oversell it, but [second clause]”

   “I don't want to oversell it, but you've got to check out that new restaurant on Third Street.”

4. (obsolete, transitive)To sell for a higher price than; to exceed in sale price.

   “One whose beauty / Would oversell all Italy”