squan·der 
(skwŏndər)
(skwŏndər)tr.v. squan·dered, squan·der·ing, squan·ders
1. To spend wastefully or extravagantly; dissipate. See Synonyms at waste.
2. To fail to take advantage of: squandered an opportunity to go to college.
3. Archaic To scatter.
n.
Extravagant expenditure; prodigality.
[Origin unknown.]
squander·er n.
squander·ing·ly adv.