9
poison
6
mischief
5
maleficence
3
virulence
2
harmfulness
2
malignancy
2
toxicity
1
destructive
1
deviltry
1
fatality
1
hurtful
1
injuriousness
1
lethality
1
malignity
1
meaning
1
mischievous
1
mischievousness
1
nocuous
1
pernicious
1
perniciousness
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APASmart Define. (2015). balefulness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/balefulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "balefulness thesaurus" https://smartdefine.org/balefulness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, balefulness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/balefulness/thesaurus/synonyms>.
MLASmart Define. "balefulness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/balefulness/thesaurus/synonyms>