- Definitions|2
- Thesaurus|291
- Abbreviations|0
| indescribable(adjective, awful, foul, disgusting, greatness) | |
| inexpressible(expression, adjective, agreement, admiration, greatness) | |
| unspeakable(adjective, bad, greatness, inexpressible) | |
| unutterable(adjective, greatness, unspeakable, inexpressible) | |
| indefinable(adjective, unspeakable) | |
| untellable | |
| incommunicable(adjective, unspeakable) | |
| nameless(adjective, inexpressible) | |
| unnameable | |
| divine(expression, adjective, agreement, admiration, approbation) | |
| sacred | |
| transcendent(adjective, inexpressible) | |
| unmentionable | |
| incredible(adjective, inexpressible) | |
| awful | |
| celestial | |
| delightful(adjective, pleasant, wonderful, lovely, charming) | |
| ethereal | |
| fabulous(adjective, greatness) | |
| heavenly(adjective, pleasant, wonderful, lovely, charming) |
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| APA | Smart Define. (2016). ineffable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ineffable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ineffable thesaurus" https://smartdefine.org/ineffable/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, ineffable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ineffable/thesaurus/synonyms>. |
| MLA | Smart Define. "ineffable thesaurus" 12 January 2016. Web. 20 September 2026. <https://smartdefine.org/ineffable/thesaurus/synonyms> |