The Collaborative International Dictionary of English v.0.48:

Niggardly \Nig"gard*ly\, adv.
   In a niggard manner.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Niggardly \Nig"gard*ly\ (n[i^]g"g[~e]rd*l[y^]), a.
   Meanly covetous or avaricious in dealing with others; stingy;
   niggard.
   [1913 Webster]

         Where the owner of the house will be bountiful, it is
         not for the steward to be niggardly.     --Bp. Hall.
   [1913 Webster]

   Syn: Avaricious; covetous; parsimonious; sparing; miserly;
        penurious; sordid; stingy. See Avaricious.
        [1913 Webster]

WordNet (r) 3.0 (2006):

niggardly
    adj 1: petty or reluctant in giving or spending; "a niggardly
           tip" [syn: grudging, niggardly, scrimy]