Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

unfounded

play
adjective un·found·ed \ˌən-ˈfau̇n-dəd\

Simple Definition of unfounded

  • : not based on facts or proof

Source: Merriam-Webster's Learner's Dictionary

Full Definition of unfounded

  1. :  lacking a sound basis :  groundless, unwarranted <an unfounded accusation>


UNFOUNDED Defined for Kids

unfounded

play
adjective un·found·ed \ˌən-ˈfau̇n-dəd\

Definition of unfounded for Students

  1. :  not based on facts or proof :  groundless <unfounded suspicions>





Seen and Heard

What made you want to look up unfounded? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize in a loud and angry way

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

frenetic lazy melancholy philistine
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ