Having no basis or foundation in fact; unfounded.(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 "baseless" in a sentence
"Fox said he had now asked his permanent secretary to investigate what he called "baseless allegations"."
"Woerth also denied receiving under-the-table donations when he was Sarkozy's campaign fundraiser, adding that he is fed up with what he called baseless charges against him, his party and his wife."
"Paul Coggins, a lawyer for Mr. Ensign, said he looked forward to the ethics committee reaching the same conclusion as the Justice Department on what he called baseless allegations."