6
fallaciously(adverb, mistake, error, untrue)
6
falsely(adverb, mistake, error, untrue)
5
mistakenly(adverb, mistake, error, untrue)
4
erroneously(adverb, mistake, error, untrue)
4
incorrectly(adverb, mistake, error, untrue)
4
mendaciously(adverb, mistake, error, untrue)
3
amiss(adverb, mistake, error, untrue)
3
wrong(adverb, mistake, error, untrue)
2
bogusly
2
disloyally
2
faithlessly
2
inaccurately
2
spuriously
2
unfaithfully
2
untruthfully
2
wrongly
1
adulterously
1
apocryphally
1
apparently
1
astray
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). untruly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/untruly/thesaurus/synonyms
ChicagoSmart Define. 2015. "untruly thesaurus" https://smartdefine.org/untruly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, untruly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/untruly/thesaurus/synonyms>.
MLASmart Define. "untruly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/untruly/thesaurus/synonyms>