Synonyms|328Antonyms|53|Broader|2Narrower|0Related|791
1
tormenting
1
transmissible
1
troubling
1
unclean
1
uncool(adjective, nasty, terrible, disgusting, vicious)
1
unsanitary
1
unuseful
1
venenate
1
veneniferous
1
venenous
1
vile(adjective, bad, nasty, offensive, terrible)
1
wrackful(adjective, harmful, injurious, damaging, deadly)
1
wreckful(adjective, harmful, injurious, damaging, deadly)
1
zymotic
0
accursed(adjective, nasty, terrible, disgusting, vicious)
0
adventurous
0
adverse(injurious, damaging, destructive)
0
arise
0
azotic
0
banters
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APASmart Define. (2015). pestiferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pestiferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "pestiferous thesaurus" https://smartdefine.org/pestiferous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, pestiferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pestiferous/thesaurus/synonyms>.
MLASmart Define. "pestiferous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/pestiferous/thesaurus/synonyms>