What's the difference between squander and thriftless?

Squander

Definition:

(v. t.) To scatter; to disperse.
(v. t.) To spend lavishly or profusely; to spend prodigally or wastefully; to use without economy or judgment; to dissipate; as, to squander an estate.
(v. i.) To spend lavishly; to be wasteful.
(v. i.) To wander at random; to scatter.
(n.) The act of squandering; waste.

Example Sentences:

(1) Obviously that inning, and game four in general, was frustrating for the Oakland A's, as they squandered several opportunities to knock out the Tigers.
(2) If Heathrow were shrunk or closed, he says, the investment that has gone into the airport would be squandered.
(3) His would undoubtedly be squandered on Paul Smith outfits and holidays in Mykonos.
(4) The UK's weather seems set on squandering one of its last chances to make amends for the largely dismal summer by threatening wind and rain for the event-packed bank holiday weekend.
(5) Previous titles in the series track the unfolding of the world’s biggest humanitarian disaster: Syrian Catastrophe, War on Development, Squandering Humanity, and Alienation and Violence.
(6) A furious Aitor Karanka tore into his Middlesbrough players and aimed a swipe at Boro supporters after squandering the opportunity to go top of the Championship table at Blackburn.
(7) Part of me feels I squandered the chances she gave me.
(8) At his presidential announcement last week, former Texas governor Rick Perry called the withdrawal from Iraq “a national disgrace” and argued that the US had “won” the war in 2009 only to see the Obama administration squander its victory by leaving.
(9) Most consistent home wins record although has been known to squander leads late in games.
(10) Weaver said the New York tour, which he called a “cousin” of the Iowa road trip, was executed “brilliantly” by Clinton’s then-campaign team, which launched a successful bid for senate before her confidants squandered an early advantage in chasing the White House seven years later.
(11) It's as mad and dysfunctional as the idea that education is wasted on mothers, because they will squander it on overseeing the education of their children.
(12) After Branislav Ivanovic and Markovic had squandered decent chances, Kolarov doubled Serbia's lead with a 25-yard shot that arrowed into the top corner.
(13) Sterling squandered a glorious chance to restore Liverpool's lead in a second half where they remained dangerous on the break, but Everton maintained overall control.
(14) Adam Lallana and Sterling squandered glorious chances to put the game beyond QPR in the second half and their profligacy was punished when Fer vollied Joey Barton’s corner down the centre of Mignolet’s goal.
(15) Millions of British will pay a higher price – the needless squandering of their lives.
(16) Mumbaikars are excited, but also apprehensive: opportunities like this have been hijacked and squandered in the past.
(17) If asset managers and pension funds continue to ignore the threat, they face being accused of negligence - squandering billions of other people’s money on potentially disastrous investment decisions, because they were not taking the risk of climate change and what the cost of dealing with it could do to financial markets seriously enough.” Bruce Davis from Abundance Generation said: “We believe that renewable energy is an important new asset for investors to get returns which are importantly uncorrelated with the traditional financial system.
(18) Throughout this tournament, the striker with a bowl-cut straight out of Hull circa 1986 has lead the line superbly, made perceptive runs, found excellent scoring positions ... and squandered more opportunities than a boy who's been expelled from Eton, Harrow and every other fee-paying school in the land.
(19) Yet every day of waiting is a day wasted, with potential going untapped and opportunities squandered.
(20) He said England’s destiny had been in their control with opportunities squandered.