Synonyms|126Antonyms|25|Broader|5Narrower|8Related|113
11
illegality(noun, law, state, quality, impropriety)
7
bar sinister(noun, expression, idiom, evidence, illegality)
7
unlawfulness(noun, law, state, quality, impropriety)
6
bastardy(noun, law, condition, kin, illegitimateness)
4
crime(noun, impropriety, wrongfulness, unlawfulness)
4
illegitimate
2
illicitness(noun, law, state, quality, impropriety)
2
infringement(noun, impropriety, wrongfulness, unlawfulness)
2
iniquity(noun, impropriety, wrongfulness, unlawfulness)
2
lawlessness(noun, impropriety, wrongfulness, unlawfulness)
2
misdemeanor(noun, impropriety, wrongfulness, unlawfulness)
2
offense(noun, impropriety, wrongfulness, unlawfulness)
2
violation(noun, impropriety, wrongfulness, unlawfulness)
2
wrongdoing(noun, impropriety, wrongfulness, unlawfulness)
1
bastardism(noun, illegitimateness)
1
bastardizing
1
baton
1
deceit
1
depravity(noun, impropriety, wrongfulness, unlawfulness)
1
falseness
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APASmart Define. (2015). illegitimacy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/illegitimacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "illegitimacy thesaurus" https://smartdefine.org/illegitimacy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, illegitimacy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/illegitimacy/thesaurus/synonyms>.
MLASmart Define. "illegitimacy thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/illegitimacy/thesaurus/synonyms>