Adjective : an unbacked challenger. ,an unbacked product.    From Dictionary.com. 

There would have been no depression, no unbacked dollar, no WW2, no cold war, no military industrial complex and no Israeli tail wagging the American dog.    From Wordnik.com.  [The Greatest Blunder in British History « Antiwar.com Blog] Reference

Yet we are supposed to accept your unbacked and self-serving assertions?.    From Wordnik.com.  [A Sociological Phenomenon] Reference

Why do people support an unbacked currency that can be created at will by politicians?.    From Wordnik.com.  [Random Media Notes] Reference

Its bogus and its one of the inconviniences they use to drive you towards unbacked silver certificates.    From Wordnik.com.  [Silver moments: Meeting another believer] Reference

So anything less then making unbacked, bellicose threats is now defined as “the Chamberlain approach”??.    From Wordnik.com.  [McCain Slams Obama on National Security - The Caucus Blog - NYTimes.com] Reference

Push for a global paper currency, unbacked by anything but the lies and promises of diplomats?.    From Wordnik.com.  [Canada, Obama, and the G20 - John Parisella - Macleans.ca] Reference

And that is whether the currency is an unbacked fiat currency or a currency backed by some kind of commodity — a gold or silver standard.    From Wordnik.com.  [The Volokh Conspiracy » Bond Markets and Republics:] Reference

Washington bailed out AIG's counterparties, to whom it owed hundreds of billions, because AIG had sold to them unbacked credit default swaps (a form of insurance on bond values).    From Wordnik.com.  [Diane Francis: Goldman Sacks and Plunders] Reference

EHC makes further unbacked accusations of changes to posts after first publication.    From Wordnik.com.  [Iain Dale: South Africa Should Use Force Against Mugabe] Reference

It explains also why small (meaning unbacked by VC) startups unless highly technical and positionned cannot really get a grip on that market for now.    From Wordnik.com.  [Mobile Dating Sucks « The Paradigm Shift] Reference

The issuance of unbacked paper for money is clearly unconstitutional.    From Wordnik.com.  [EFF cracks Secret Service code] Reference

The constitution nowhere denies Congress the right to make unbacked paper money.    From Wordnik.com.  [EFF cracks Secret Service code] Reference

The CHE article certainly did not look at the efficacy of the system in terms of academic integrity (at least not beyond any sweeping, unbacked assertions).    From Wordnik.com.  [Honor for Honor's Sake? at cvillenews.com] Reference

It is the same thinking as we saw earlier in Thurlow's remarks about the unbacked paint of a picture.    From Wordnik.com.  [Copyright] Reference

Let a filthy kid, unknown, unheard of and unbacked sit in—and if he can do it—he is recognized and accepted instantly.    From Wordnik.com.  [The Good Life] Reference

To "die" at the hands of Alan would be a painful experience that would probably wipe a lot of unbacked memory he could ill afford to lose.    From Wordnik.com.  [True Names]

The third paragraph starts out with an assertion unbacked by proof and the second sentence is a silly boast that no one believes.    From Wordnik.com.  [Business Correspondence] Reference

He was sweating terror and remorse, but the essential weakness of the man could not stand out unbacked against the masterful force of this man's imperious will.    From Wordnik.com.  [Ridgway of Montana (Story of To-Day, in Which the Hero Is Also the Villain)] Reference

It would be like not taking the tide at its flood to let her run unbacked when her chances of winning were so good, and the odds against her great enough to insure a big return.    From Wordnik.com.  [Thoroughbreds] Reference

Honour is a fine bulwark against a small force; but, unbacked by other principle, it is seldom well manned enough to resist a large one.    From Wordnik.com.  [Devereux — Volume 06] Reference

When unbacked paper money loses its value, gold becomes the reliable alternate currency which maintains a store of value.    From Wordnik.com.  [Latest Articles] Reference

But unlike the dollar, it's a useless fiat, because it's unbacked.    From Wordnik.com.  [Latest Articles] Reference

Backed with latex is it very durable - but not as green as if left unbacked.    From Wordnik.com.  [Mortgage News Daily - Mortgage And Real Estate News] Reference

However, unbacked it tends to snag and in no case is very comfortable for a quick nap or for a baby's tender knees.    From Wordnik.com.  [Mortgage News Daily - Mortgage And Real Estate News] Reference

Reserve notes are unbacked paper loaned at interest.    From Wordnik.com.  [WHAT REALLY HAPPENED] Reference

I think it is safe to say that all 3 will fail as all unbacked fiat currencies before.    From Wordnik.com.  [SeekingAlpha.com: Home Page] Reference

I have a rule of thump on voting patterns which is totally unbacked by any scienific evidence!.    From Wordnik.com.  [The Poll Bludger] Reference

The hard drive was replaced because it lost all its keys one random day -- and I lost a years worth of unbacked up data.    From Wordnik.com.  [Discussions: Message List - root] Reference

To be honest, I’m not even sure how much is on there, unbacked up.    From Wordnik.com.  [My computer died last night. | clusterflock] Reference

The simple statement, unbacked by any proof but the weight of Ralph’s new authority, brought light and happiness.    From Wordnik.com.  [Lord of the Flies]

Round England, unbacked of her horsemen.    From Wordnik.com.  [Astrophel and Other Poems Taken from The Collected Poetical Works of Algernon Charles Swinburne, Vol. VI] Reference

So not exactly an unbacked loan.    From Wordnik.com.  [The Guardian World News] Reference

However, today's dollar is unbacked by ANYTHING.    From Wordnik.com.  [Libertarian Blog Place] Reference

Will it wipe of the €1billion in unbacked debt?.    From Wordnik.com.  [Politics.ie] Reference

And when to leave a doubtful claim unbacked.    From Wordnik.com.  [PharmaGossip] Reference