• WordNet 3.6
    • adj unbacked unsupported by other people
    • ***
Webster's Revised Unabridged Dictionary
    • Unbacked Never mounted by a rider; unbroken. "Unbacked colts."
    • Unbacked Not supported or encouraged; not countenanced; unaided.
    • ***
Century Dictionary and Cyclopedia
    • unbacked Not having been backed; not taught to bear a rider; unbroken.
    • unbacked Unsupported; left without aid; unaided; in sporting, not supported by bets: as, an unbacked horse.
    • unbacked Not moved back or backward.
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Chambers's Twentieth Century Dictionary
    • adj Unbacked un-bakt′ never yet ridden: without any to help or encourage: not supported by bets, of a racehorse, &c.
    • ***


In literature:

Reliance upon high sounding words, unbacked by deeds, is proof of a mind that dwells only in the realm of shadow and of sham.
"Theodore Roosevelt and His Times" by Harold Howland
His pride revolted at the idea of coming quite unbacked and disowned, as well as empty-handed, to Mr. Slocum.
"The Stillwater Tragedy" by Thomas Bailey Aldrich
He used to buy unbacked devils, and tame them on some pet theory of starvation.
"Soldier Stories" by Rudyard Kipling
Backed plates will give better results than plates unbacked.
"The Scrap Book, Volume 1, No. 1" by Various
He paid their fare at the opening in the tent and went in and sat on one of the crude, unbacked benches.
"The Cottage of Delight" by Will N. Harben
Prosecutions collapsed, since no law unbacked by public sanction in its own jurisdiction can prevail.
"When 'Bear Cat' Went Dry" by Charles Neville Buck
Toward the English, however, the Dutch adopted a course of feeble aggression unbacked by force.
"Dutch and English on the Hudson" by Maud Wilder Goodwin
Such large amounts of unbacked paper could lead to but one result, a steadily increasing depreciation.
"The Colonization of North America" by Herbert Eugene Bolton

In news:

Unbacked Hi-Flow™ Plus 110 and 135 membranes are offered for high protein binding in lateral flow diagnostic assays.