- Definitions|1
- Thesaurus|282
- Abbreviations|0
54 entries under investigate topic. ×
| penetrate(verb, sound, examine, test) | |
| pierce(verb, sound, examine, test) | |
| prod(verb, sound, examine, test) | |
| put out a feeler(verb, expression, idiom, sound, examine) | |
| test the waters(verb, expression, idiom, sound, examine) | |
| verify(verb, examine, test, survey) | |
| delve | |
| dig(penetrate, explore, research, poke) | |
| poke(dig, penetrate, explore, research) | |
| prospect(dig, explore, research, delve) | |
| research | |
| scrutinize(dig, explore, research, delve) | |
| sift(dig, explore, research, delve) | |
| study(dig, explore, research, delve) |
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| APA | Smart Define. (2016). sound out thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sound_out/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound out thesaurus" https://smartdefine.org/sound_out/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, sound out thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sound_out/thesaurus/synonyms>. |
| MLA | Smart Define. "sound out thesaurus" 17 February 2016. Web. 1 October 2026. <https://smartdefine.org/sound_out/thesaurus/synonyms> |