Of uncertain origin or authenticity: unfathered rumors. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unfathered" in a sentence
"Still more remarkable is the historically unfathered impulse of the Jewish nation to set about eliminating participation by quite other methods than those of alpha-thinking [that is, of thinking about things]."
"It usually eliminates a lot of disease risk, too early pregnancies and unfathered children."
"One or two of the ambitious young partisans of the empress might be left languishing unfathered and without patron in obscure dungeons, unless this projected conference at Coventry produced some sensible agreement that must, among its details, spare a thought to insist on their liberation."