Synonym: bargainer, monger, principal, trader. Similar words: deal out, deal in, deal with, a big deal, a good deal, a good deal of, idea, death. Meaning: ['diːlə] 
n. 1. someone who purchases and maintains an inventory of goods to be sold 2. a firm engaged in trading 3. a seller of illicit goods 4. the major party to a financial transaction at a stock exchange; buys and sells for his own account 5. the person who distributes the playing cards in a card game.
n. 1. someone who purchases and maintains an inventory of goods to be sold 2. a firm engaged in trading 3. a seller of illicit goods 4. the major party to a financial transaction at a stock exchange; buys and sells for his own account 5. the person who distributes the playing cards in a card game. 
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1 Always buy from a reputable dealer.
2 The dealer spent hours bargaining for the painting.
3 The retail dealer buys at wholesale and sells at retail.
4 The dealer was trying to pass off fakes as valuable antiques.
5 The dealer had offloaded some of the shares onto a willing client.
6 He's a dealer who'll give you a fair shake.
7 He's a dealer in drugs/stolen goods.
8 They aim to clear every dealer from the street.
9 The art dealer authenticated the painting as an original.
10 She's now firmly established as an art dealer.
11 By trade he was a dealer in antique furniture.
12 The dealer had assured me of its quality.
13 She's an antique, a used-car,(www.Sentencedict.com) etc dealer.
14 The dealer was slaveringover some precious stones.
15 He is a dealer in antique.
16 He's a dealer in second-hand cars.
17 She sold the painting through a London art dealer.
18 She paid a dealer 2000 for that car.
19 She beat a bargain with a dealer.
20 He bought his new car from a car dealer.
21 The dealer will provide you with a courtesy car while your vehicle is being repaired.
22 You can ask a dealer for a discount whether you pay cash or buy on credit.
23 In the end I cut the dealer down by another ￡5.00.
24 Let's cut for dealer.
25 The auctioneer knocked the bureau down to a furniture dealer from York.
26 It is always a good idea to sell through a licensed dealer.
27 The two women claimed they were the unwitting victims of a drugs dealer who planted a large quantity of heroin in their luggage.
28 Thus it came about that, after many years as an interior designer and antiques dealer, he combined both businesses.
29 It was only after we'd had the car for a few days that we realised we'd been screwed by the dealer.
30 You are well advised to buy your car through a reputable dealer.