Synonyms|992Antonyms|25|Broader|19Narrower|6Related|226

130 entries under investigate topic. ×

2
look see(expression, study, check, consider, criticize)
2
pat down(expression, study, check, consider, criticize)
2
penetrate(verb, study, check, consider, turn)
2
peruse(verb, study, check, consider, criticize)
2
pick at(expression, study, check, consider, criticize)
2
pierce(verb, study, check, consider, turn)
2
poke(verb, study, consider, examine, review)
2
poke into(verb, expression, check, examine, look)
2
quest(verb, check, examine, look, seek)
2
question(verb, study, check, consider, examine)
2
rake(verb, check, turn, examine, look)
2
ransack(verb, action, check, examine, look)
2
read(study, check, consider, criticize, observe)
2
reconnoiter(verb, study, check, consider, criticize)
2
root(verb, check, turn, produce, clean)
2
run down(verb, expression, study, check, consider)
2
scope(verb, study, check, consider, criticize)
2
scout(verb, study, check, consider, examine)
2
scrutinate(verb, study, check, consider, criticize)
2
size up(expression, study, check, separate, consider)
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ChicagoSmart Define. 2016. "sift thesaurus" https://smartdefine.org/sift/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sift thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sift/thesaurus/synonyms>.
MLASmart Define. "sift thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/sift/thesaurus/synonyms>