- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| longheaded | |
| longsighted | |
| manipulative | |
| methodical(adjective, fastidious) | |
| meticulous(adjective, fastidious) | |
| mincing(adjective, fastidious) | |
| omniscient | |
| on the inside(expression, idiom, sharp, smart, intelligent) | |
| on top of(expression, sharp, smart, intelligent, clever) | |
| particular(adjective, fastidious) | |
| persnickety(adjective, fastidious) | |
| picky(adjective, fastidious) | |
| precise(adjective, fastidious) | |
| prehensile | |
| prescient | |
| priggish(adjective, fastidious) | |
| prim(adjective, fastidious) | |
| probing(sharp, smart, intelligent, prudent, clever) | |
| provident | |
| prudish(adjective, fastidious) |
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| APA | Smart Define. (2016). perspicacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perspicacious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perspicacious thesaurus" https://smartdefine.org/perspicacious/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, perspicacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perspicacious/thesaurus/synonyms>. |
| MLA | Smart Define. "perspicacious thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/perspicacious/thesaurus/synonyms> |