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Definition of "unfounded" []

  • Not based on fact or sound evidence; groundless. See Synonyms at baseless. (adjective)
  • Not yet established. (adjective)
  • (of ideas, allegations, etc) baseless; groundless (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.

  • Not yet founded or established (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "unfounded" in a sentence
  • "Mr. da Silva, who is using his immense popularity to lift his former chief-of-staff Ms. Rousseff into the presidency, appeared on television this week to defend Ms. Rousseff against what he described as unfounded attacks."
  • "Our critics seem to shudder at what they call unfounded personal attacks."
  • "Ngonyama said the DP had numerous platforms to use before running to the media with what he called unfounded allegations."