- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
214 entries under adjective topic. ×
| feeble(calm, dull, quiet, weak) | |
| gradual(calm, quiet, hard, smooth) | |
| inconsiderable(hard, soft, slight, gentle) | |
| inconspicuous(hard, slight, fine, thin) | |
| microscopic(hard, slight, big, limited) | |
| unobservable(knowledge, invisible) | |
| unperceivable | |
| unseen(hidden, indistinguishable, microscopic, imagined) | |
| camouflaged | |
| concealed(hidden, insensible, inconspicuous, unremarkable) | |
| evanescent(hard, faint, subtle, insubstantial) | |
| unapparent | |
| unseeable(indistinguishable, unseen, microscopic) | |
| weak(dull, soft, gentle, low) | |
| dim(dull, weak, soft, gentle) | |
| easy(calm, quiet, smooth, soft) | |
| hidden(imaginary, inconspicuous, unremarkable, unseen) | |
| insignificant(hard, soft, slight, gentle) | |
| latent | |
| obscured(insubstantial, inconspicuous, immaterial, unseen) |
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| APA | Smart Define. (2015). imperceptible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/imperceptible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "imperceptible thesaurus" https://smartdefine.org/imperceptible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, imperceptible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/imperceptible/thesaurus/synonyms>. |
| MLA | Smart Define. "imperceptible thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/imperceptible/thesaurus/synonyms> |