- Definitions|0
- Thesaurus|15
- Abbreviations|0
| complex(adjective, understandable) | |
| complicated(adjective, understandable) | |
| deep(adjective, understandable) | |
| incomprehensible(adjective, understandable) | |
| profound(adjective, understandable) | |
| unfathomable(adjective, understandable) | |
| aloft | |
| baffling(adjective, understandable) | |
| bewildering(adjective, understandable) | |
| beyond comprehension(adjective, understandable) | |
| beyond one(adjective, understandable) | |
| exorbitant(adjective, extravagant, excessive) | |
| hard to understand(adjective, understandable) | |
| uncomprehensible(adjective, incomprehensible) |
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| APA | Smart Define. (2015). over one's head thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/over_one%27s_head/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "over one's head thesaurus" https://smartdefine.org/over_one%27s_head/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, over one's head thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/over_one%27s_head/thesaurus/synonyms>. |
| MLA | Smart Define. "over one's head thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/over_one%27s_head/thesaurus/synonyms> |