- Definitions|2
- Thesaurus|863
- Abbreviations|0
22 entries under adjective topic. ×
| unfathomable(hard, difficult, limited, bottomless) | |
| incomprehensible | |
| inscrutable | |
| bottomless | |
| fathomless | |
| limitless(limited, little) | |
| abysmal | |
| boundless | |
| deep | |
| impenetrable | |
| inconceivable(reasonable, belief, imaginable) | |
| infinite | |
| profound | |
| recondite | |
| unintelligible | |
| enormous | |
| eternal | |
| immeasurable | |
| incalculable | |
| soundless |
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| APA | Smart Define. (2016). fathomable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fathomable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "fathomable thesaurus" https://smartdefine.org/fathomable/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, fathomable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fathomable/thesaurus/antonyms>. |
| MLA | Smart Define. "fathomable thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/fathomable/thesaurus/antonyms> |