- Definitions|1
- Thesaurus|167
- Abbreviations|0
| all-encompassing(adjective, complete, absolute, unrestrained, extensive) | |
| cavernous | |
| colossal | |
| countless(adjective, complete, absolute, unrestrained, extensive) | |
| deep | |
| deep as hell(expression, idiom) | |
| enigmatic | |
| enormous | |
| ethereal(adjective, deep, wide) | |
| full(adjective, complete, absolute, unrestrained, extensive) | |
| full-out(adjective, complete, absolute, unrestrained, extensive) | |
| full-scale(adjective, complete, absolute, unrestrained, extensive) | |
| fundamental | |
| gaping | |
| gargantuan | |
| hard | |
| immeasurable | |
| incalculable | |
| incognizable | |
| incomprehensible(adjective, complete, absolute, unrestrained, extensive) |
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| APA | Smart Define. (2015). unfathomed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfathomed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unfathomed thesaurus" https://smartdefine.org/unfathomed/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unfathomed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfathomed/thesaurus/synonyms>. |
| MLA | Smart Define. "unfathomed thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unfathomed/thesaurus/synonyms> |