881 entries under adjective topic. ×
| inscrutable | |
| insidious(smooth, sharp, cunning, tricky) | |
| sincere(great, warm, energetic, enthusiastic) | |
| subtle(quiet, delicate, complex, cunning) | |
| thick(rough, large, fat, dense) | |
| wise(characteristic, good, reasonable, keen) | |
| abysmal(down, surface, extent, far) | |
| cryptic(hard, evil, obscure, humble) | |
| hidden(hard, evil, obscure, complex) | |
| impenetrable(set, obscure, solid, heavy) | |
| incomprehensible | |
| intimate(property, secret, private, personal) | |
| knowing(sharp, smart, bright, intelligent) | |
| learned(thoughtful, meaning, moral, knowledgeable) | |
| sharp(strong, light, keen, smart) | |
| wide(hard, down, thick, huge) | |
| bottomless(down, deep, far) | |
| broad(hard, down, thick, huge) | |
| canny(smooth, sharp, bright, intelligent) | |
| crafty(sharp, intelligent, cunning, clever) |
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| APA | Smart Define. (2016). deep thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deep/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, deep thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deep/thesaurus/synonyms>. |
| MLA | Smart Define. "deep thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/deep/thesaurus/synonyms> |