Noun:
1: sell the activity of persuading someone to buy; "it was a hard sell"
Verb:
1: sell exchange or deliver for money or its equivalent; "He sold his house in January"; "She sells her body to survive and support her drug habit"
2: sell be sold at a certain price or in a certain way; "These books sell like hot cakes"
3: deal, sell, trade do business; offer for sale as for one's livelihood; "She deals in gold"; "The brothers sell shoes"
4: sell persuade somebody to accept something; "The French try to sell us their image as great lovers"
5: sell give up for a price or reward; "She sold her principles for a successful career"
6: betray, sell deliver to an enemy by treachery; "Judas sold Jesus"; "The spy betrayed his country"
7: sell be approved of or gain acceptance; "The new idea sold well in certain circles"
8: sell be responsible for the sale of; "All her publicity sold the products"