2
visionary
2
without foundation(expression, adjective, idiom)
1
airy
1
all off(expression, wrong, false, incorrect, untrue)
1
all wet(expression, wrong, false, incorrect, untrue)
1
alleged
1
apocryphal(adjective, wrong, fake, counterfeit, dishonest)
1
apparent
1
apparitional
1
askew(wrong, false, incorrect, untrue)
1
at fault(expression, wrong, false, incorrect)
1
autistic
1
barking up wrong tree(expression, idiom, wrong, false, incorrect)
1
beguiling(adjective, wrong, fake, false, counterfeit)
1
bogus(adjective, wrong, fake, false, counterfeit)
1
casuistic(adjective, wrong, fake, false, counterfeit)
1
chimeric
1
cold
1
concocted(adjective, wrong, fake, false, counterfeit)
1
confounded(wrong, false, incorrect)
11 years ago|13k views|share |citing 
APASmart Define. (2015). unfounded thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unfounded/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfounded thesaurus" https://smartdefine.org/unfounded/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unfounded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unfounded/thesaurus/synonyms>.
MLASmart Define. "unfounded thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unfounded/thesaurus/synonyms>