| thermonuclear(adjective, nuclear) | |
| unified(adjective, simple, whole, united) | |
| united(adjective, simple, whole, united) | |
| wee | |
| white(adjective, pure) | |
| any | |
| atoms | |
| embryonic | |
| fissionable(adjective, nuclear) | |
| gargantuan | |
| impalpable | |
| imperceptible | |
| inconsiderable(slight, small, unimportant, tiny, miniature) | |
| insignificant(slight, small, unimportant, tiny, miniature) | |
| intangible | |
| least(adjective, slightest, smallest) | |
| little(adjective, slight, small, unimportant, tiny) | |
| lone | |
| miniature | |
| one |
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| APA | Smart Define. (2016). atomic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/atomic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "atomic thesaurus" https://smartdefine.org/atomic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, atomic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/atomic/thesaurus/synonyms>. |
| MLA | Smart Define. "atomic thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/atomic/thesaurus/synonyms> |