The Collaborative International Dictionary of English v.0.48:

Covetousness \Cov"et*ous*ness\, n.
   1. Strong desire. [R.]
      [1913 Webster]

            When workmen strive to do better than well,
            They do confound their skill in covetousness.
                                                  --Shak.
      [1913 Webster]

   2. A strong or inordinate desire of obtaining and possessing
      some supposed good; excessive desire for riches or money;
      -- in a bad sense.
      [1913 Webster]

            Covetousness, by a greed of getting more, deprivess
            itself of the true end of getting.    --Sprat.

   Syn: Avarice; cupidity; eagerness.
        [1913 Webster]

WordNet (r) 3.0 (2006):

covetousness
    n 1: an envious eagerness to possess something
    2: extreme greed for material wealth [syn: avarice,
       avariciousness, covetousness, cupidity]
    3: reprehensible acquisitiveness; insatiable desire for wealth
       (personified as one of the deadly sins) [syn: avarice,
       greed, covetousness, rapacity, avaritia]

Easton's 1897 Bible Dictionary:

Covetousness
   a strong desire after the possession of worldly things (Col.
   3:5; Eph. 5:5; Heb. 13:5; 1 Tim. 6:9, 10; Matt. 6:20). It
   assumes sometimes the more aggravated form of avarice, which is
   the mark of cold-hearted worldliness.