Pronunciation: - ' sel
Function: transitive verb
Inflected Form: -sold \ - ' s ō ld \ ; -sel · ling
Date: circa 1929
1 : to dissuade from a belief in the truth, value, or desirability of something <ads that unsell the public on energy consumption>
2 : to discourage a belief in the truth, value, or desirability of <I unsold the coat he wanted and sold him another>