The Collaborative International Dictionary of English v.0.48:

Huckster \Huck"ster\, v. i. [imp. & p. p. Huckstered; p. pr. &
   vb. n. Huckstering.]
   To deal in small articles, or in petty bargains. --Swift.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Huckster \Huck"ster\, n. [OE. hukstere, hukster, OD. heukster,
   D. heuker; akin to D. huiken to stoop, bend, OD. huycken,
   huken, G. hocken, to squat, Icel. h?ka; -- the peddler being
   named from his stooping under the load on his back. Cf.
   Hawk to offer for sale.]
   1. A retailer of small articles, of provisions, and the like;
      a peddler; a hawker. --Swift.
      [1913 Webster]

   2. A mean, trickish fellow. --Bp. Hall.
      [1913 Webster]

WordNet (r) 3.0 (2006):

huckster
    n 1: a seller of shoddy goods [syn: huckster, cheap-jack]
    2: a person who writes radio or tv advertisements
    v 1: sell or offer for sale from place to place [syn: peddle,
         monger, huckster, hawk, vend, pitch]
    2: wrangle (over a price, terms of an agreement, etc.); "Let's
       not haggle over a few dollars" [syn: haggle, higgle,
       chaffer, huckster]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "huckster":
   arab, bargain, beat down, bid, bid for, cadger, chaffer, chapman,
   cheap-jack, cheap-john, cheapen, cheapjack, colporteur, coster,
   costermonger, dicker, dispense, drive a bargain, duffer, haggle,
   hawk, hawker, higgle, higgler, jew down, monger, negotiate, outbid,
   palter, peddle, peddler, sidewalk salesman, underbid, vend,
   vendor