Source : Webster's Revised Unabridged Dictionary (1913)

Squander \Squan"der\, v. i.
   1. To spend lavishly; to be wasteful.

            They often squandered, but they never gave.
                                                  --Savage.

   2. To wander at random; to scatter. [R.]

            The wise man's folly is anatomized Even by
            squandering glances of the fool.      --Shak.

Squander \Squan"der\, v. t. [imp. & p. p. {Squandered}; p. pr. &
   vb. n. {Squandering}.] [Cf. Scot. squatter to splash water
   about, to scatter, to squander, Prov. E. swatter, Dan.
   sqvatte, Sw. sqv["a]tta to squirt, sqv["a]ttra to squander,
   Icel. skvetta to squirt out, to throw out water.]
   1. To scatter; to disperse. [Obs.]

            Our squandered troops he rallies.     --Dryden.

   2. To spend lavishly or profusely; to spend prodigally or
      wastefully; to use without economy or judgment; to
      dissipate; as, to squander an estate.

            The crime of squandering health is equal to the
            folly.                                --Rambler.

   Syn: To spend; expend; waste; scatter; dissipate.

Squander \Squan"der\, n.
   The act of squandering; waste.

Source : WordNet®

squander
     v 1: spend thoughtlessly; throw away; "He wasted his inheritance
          on his insincere friends"; "You squandered the
          opportunity to get and advanced degree" [syn: {waste}, {blow}]
          [ant: {conserve}]
     2: spend extravagantly; "waste not, want not" [syn: {consume},
        {waste}, {ware}]