4
mistook(verb, confused, misinterpreted, misjudged)
4
spurious(adjective, bad, wrong, fake, false)
4
unfit(adjective, appropriate, inappropriate, unsuitable, unsuited)
3
assumed(adjective, fake, counterfeit, sham, phony)
3
at fault(expression, adjective, idiom, bad, wrong)
3
awry(adjective, adverb, bad, wrong, false)
3
confounded(adjective, wrong, false, incorrect)
3
deceived(adjective, wrong, false, unreasonable, incorrect)
3
deceptive(adjective, wrong, fake, false, counterfeit)
3
defective(adjective, bad, wrong, false, incorrect)
3
deluded(adjective, wrong, false, foolish, unreasonable)
3
fake(adjective, wrong, counterfeit, dishonest, sham)
3
ill-advised(adjective, wrong, false, foolish, unreasonable)
3
illusory(adjective, deceptive)
3
invalid(adjective, wrong, fake, false, counterfeit)
3
misestimated(verb, adjective, erroneous, misjudged)
3
misjudged(verb, adjective, erroneous, misjudged)
3
mistake(noun, error)
3
misunderstanding(adjective, wrong, false, incorrect, erroneous)
3
off the beam
11 years ago|9.3k views|share |citing 
APASmart Define. (2015). mistaken thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mistaken/thesaurus/synonyms
ChicagoSmart Define. 2015. "mistaken thesaurus" https://smartdefine.org/mistaken/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, mistaken thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mistaken/thesaurus/synonyms>.
MLASmart Define. "mistaken thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/mistaken/thesaurus/synonyms>