13 entries under imperceptible topic. ×
| minute(noun, adjective, slight, small, tiny) | |
| small(adjective, slight, small, quantity, unimportant) | |
| infinitesimal(adjective, slight, big, small, limited) | |
| slight(adjective, small, limited, unimportant, insufficient) | |
| inappreciable(adjective, slight, small, limited, unimportant) | |
| evanescent(slight, small, unimportant, commonplace, subtle) | |
| inconsiderable(slight, poor, quantity, limited, insufficient) | |
| insignificant(adjective, slight, small, unimportant, minute) | |
| trivial(adjective, slight, poor, important, small) | |
| imponderable | |
| unnoticeable | |
| momentary(slight, small, unimportant, commonplace, subtle) | |
| unobservable |
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| APA | Smart Define. (2015). microscopic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/microscopic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "microscopic thesaurus" https://smartdefine.org/microscopic/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, microscopic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/microscopic/thesaurus/synonyms>. |
| MLA | Smart Define. "microscopic thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/microscopic/thesaurus/synonyms> |