9
research worker(noun, expression, idiom)
8
investigator(noun, person, investigate, ask, agent)
7
analyst(noun, feature, person, individual, agent)
7
tester(noun, agent, expert, hound, genius)
6
experimenter(noun, worker)
4
hunter
4
searcher
4
analyzer(noun, worker)
4
inquirer(noun, person, investigate, ask, agent)
4
inquisitor(noun, person, investigate, ask, agent)
4
questioner(noun, person, investigate, ask, agent)
3
examiner(noun, agent, expert, hound, genius)
3
explorer
3
inspector(noun, agent, hound, police, gumshoe)
3
prober(noun, person, investigate, ask, agent)
2
assayer
2
detective(noun, agent, hound, police, gumshoe)
2
prospector
2
quester(noun, person, investigate, ask, inquirer)
2
questor
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APASmart Define. (2015). researcher thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/researcher/thesaurus/synonyms
ChicagoSmart Define. 2015. "researcher thesaurus" https://smartdefine.org/researcher/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, researcher thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/researcher/thesaurus/synonyms>.
MLASmart Define. "researcher thesaurus" 16 November 2015. Web. 22 September 2026. <https://smartdefine.org/researcher/thesaurus/synonyms>