Synonyms|724Antonyms|18|Broader|18Narrower|54Related|255

338 entries under noun topic. ×

8
check(study, measure, review, struggle)
7
trial(study, check, measure, review)
7
experiment(study, check, review, struggle)
7
observation(study, check, measure, review)
6
probing(study, check, review, approval)
6
questioning(study, check, concern, interest)
5
investigating
5
quiz(study, check, measure, review)
4
assay(study, check, measure, review)
4
audit(study, check, review, search)
4
delving(study, check, review, search)
4
detection(review, conclusion, inspection, scrutiny)
4
hearing(study, check, review, search)
4
proof(study, check, measure, struggle)
4
sounding
4
surveying
3
anatomy
3
consideration(study, check, class, exercise)
3
dissection(study, check, examination, test)
3
experimentation(study, measure, struggle, examination)
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APASmart Define. (2015). investigation thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/investigation/thesaurus/synonyms
ChicagoSmart Define. 2015. "investigation thesaurus" https://smartdefine.org/investigation/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, investigation thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/investigation/thesaurus/synonyms>.
MLASmart Define. "investigation thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/investigation/thesaurus/synonyms>