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2 entries under adjective topic. ×

1
sneakily
1
underhandedly(quietly, secretly, personally, privately)
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APASmart Define. (2015). insidiously thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insidiously/thesaurus/synonyms
ChicagoSmart Define. 2015. "insidiously thesaurus" https://smartdefine.org/insidiously/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, insidiously thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insidiously/thesaurus/synonyms>.
MLASmart Define. "insidiously thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/insidiously/thesaurus/synonyms>