• WordNet 3.6
    • adj unconfirmed not finally established or settled "an unconfirmed letter of credit","unconfirmed rumors"
    • ***
Century Dictionary and Cyclopedia
    • unconfirmed Not firmly established; not possessed of its full measure of strength or stability: as, his health was still unconfirmed.
    • unconfirmed Not fortified by resolution; weak; raw.
    • unconfirmed Not confirmed or strengthened by additional testimony.
    • unconfirmed Eccles.: Not having received the sacrament or sacramental rite of confirmation.
    • unconfirmed Not having his election as bishop ratified by the archbishop.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Unconfirmed un-kon-firmd′ not confirmed: not verified by further testimony: not yet having received the rite of confirmation: not yet having election as bishop confirmed by an archbishop: weak.
    • ***


In literature:

There, too, he will find my unconfirmed theories of its nature.
"Tono Bungay" by H. G. Wells
It cannot positively be said that it is untrue; but it can be said that it is unconfirmed.
"The Life of Cesare Borgia" by Raphael Sabatini
An unconfirmed rumour had it that Mr. Ryerson turned over the thirty thousand to Mr. Jason.
"A Far Country, Complete" by Winston Churchill
Her heart knew it, and it was unconfirmed by reason.
"Lord Ormont and his Aminta, Complete" by George Meredith
My confidence is grounded on belief, Though unconfirmed as yet by actual proof.
"The Seven Plays in English Verse" by Sophocles
A sort of casual dropping in, carefully heralded by unconfirmed rumour a week ahead.
"When William Came" by Saki
This report is also as yet unconfirmed, and so we must wait until next week to know which is the correct one.
"The Great Round World and What Is Going On In It, Vol. 1, No. 59, December 23, 1897" by Various
So well do they mount its heights that travellers repeat an unconfirmed tradition of their having been known to climb trees!
"A Canadian Manor and Its Seigneurs" by George M. Wrong
Where from, nobody knew, but there were many unconfirmed rumors.
"David Lannarck, Midget" by George S. Harney
He was a Norman by birth, and Ames suggested that he learnt his art with John Le Bourgeois at Rouen, but this is unconfirmed.
"A Short History of English Printing, 1476-1898" by Henry R. Plomer

In news:

Rumored Calumet Farm Sale Still Unconfirmed .
Monday earthquake suspected, but unconfirmed .
Officials chase unconfirmed al-Qaida bomb threat.
WASHINGTON — Just days before the 10th anniversary of the Sept 11 attacks, US counterterrorism officials were chasing a credible but unconfirmed al-Qaida threat to use a car bomb on bridges or tunnels in New York City or Washington.
Counterterrorism officials are chasing a credible but unconfirmed al-Qaida threat to use a car bomb on bridges or tunnels in New York City or Washington.
Counterterrorism officials said Thursday they are investigating a credible but unconfirmed terror threat involving New York or Washington.
Feds Investigate Specific, Unconfirmed NYC, DC Threat.
COLUMBIA — Rumors of a campaign stop in Columbia by Sen John McCain remain unconfirmed .
French Intelligence Officials Say Bin Laden Death Report Unconfirmed .
Galaxy May Be Full of Wandering Hobo Planets (Planet-Sized Bindles Unconfirmed ).
Speculation of Sikh hate crime unconfirmed, but not unspoken .
It is unconfirmed if the activity involves the disappearance of Jessica Ridgeway.
Believe it or not, it's not actually good journalism to present an unconfirmed Facebook page as the online identity of a killer.
The tribe says there were unconfirmed reports of gunfire .
The tribe says there were unconfirmed reports of gunfire.

In science:

Solid arrows indicate detections according to approximate mass, while open arrows indicate further measurements of previously-detected systems. “?” indicates uncertain or unconfirmed detections. The figure takes no account of the numbers of planets that may be detected by each method.
T.I.P.O. (Tesla Interferometric Planetary Observer)