600 entries under act topic. ×

2
interfered(adjective, activity, action, activeness)
2
interloper(adjective, activity, action, activeness)
2
intermeddler(adjective, activity, action, activeness)
2
intermeddling(adjective, activity, action, activeness)
2
intermingled(adjective, activity, action, activeness)
2
intermixed(adjective, activity, action, activeness)
2
internment(adjective, activity, action, activeness)
2
interoperable(adjective, activity, action, activeness)
2
interventionist(adjective, activity, action, activeness)
2
intrigue(adjective, activity, action, activeness)
2
intriguer(adjective, activity, action, activeness)
2
intriguing(adjective, activity, action, activeness)
2
intrude(adjective, activity, action, activeness)
2
intruder(adjective, activity, action, activeness)
2
intrusive(adjective, activity, action, activeness)
2
inundated(adjective, activity, action, activeness)
2
invaluable(adjective, activity, action, activeness)
2
invasive(adjective, activity, action, activeness)
2
investigator(adjective, activity, action, activeness)
2
invigorate(adjective, activity, action, activeness)
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APASmart Define. (2015). busy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/busy/thesaurus/related
ChicagoSmart Define. 2015. "busy thesaurus" https://smartdefine.org/busy/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 2015, busy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/busy/thesaurus/related>.
MLASmart Define. "busy thesaurus" 19 December 2015. Web. 29 September 2026. <https://smartdefine.org/busy/thesaurus/related>