The Collaborative International Dictionary of English v.0.48:

Peddling \Ped"dling\, a.
   1. Hawking; acting as a peddler.
      [1913 Webster]

   2. Petty; insignificant; trifling; paltry; piddling; -- now
      less common than piddling. "The miserable remains of a
      peddling commerce." --Burke.

   Syn: petty; insignificant; trifling; paltry; piddling.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Piddling \Pid"dling\, a.
   Trifling; trivial; frivolous; paltry; -- applied to persons
   and things.
   [1913 Webster]

         The ignoble hucksterage of piddling tithes. --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Piddle \Pid"dle\, v. i. [imp. & p. p. Piddled; p. pr. & vb. n.
   Piddling.] [Cf. dial. Sw. pittla to keep picking at, Sw.
   peta to pick.]
   1. To deal in trifles; to concern one's self with trivial
      matters rather than with those that are important.
      --Ascham.
      [1913 Webster]

   2. To be squeamishly nice about one's food. --Swift.
      [1913 Webster]

   3. To urinate; -- child's word.
      [1913 Webster]

WordNet (r) 3.0 (2006):

piddling
    adj 1: (informal) small and of little importance; "a fiddling
           sum of money"; "a footling gesture"; "our worries are
           lilliputian compared with those of countries that are at
           war"; "a little (or small) matter"; "a dispute over
           niggling details"; "limited to petty enterprises";
           "piffling efforts"; "giving a police officer a free meal
           may be against the law, but it seems to be a picayune
           infraction" [syn: fiddling, footling, lilliputian,
           little, niggling, piddling, piffling, petty,
           picayune, trivial]

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "piddling":
   Mickey Mouse, cheeseparing, chinchy, chintzy, cramped, dinky,
   exiguous, half-pint, infrequent, jerkwater, knee-high, limited,
   little, meager, measly, miserly, niggardly, niggling, one-horse,
   paltry, peanut, peddling, petite, pettifogging, petty, picayune,
   picayunish, piffling, pindling, pint-sized, poky, poor, punk, puny,
   rare, scant, scanty, scarce, scattered, scrimping, scrimpy,
   seldom met with, seldom seen, short, skimping, skimpy, slight,
   slim, small, small-beer, small-time, smallish, sparse, spotty,
   sprinkled, stingy, thin, tight, tinhorn, two-bit, two-by-four