60 entries under noun topic. ×
| intangibility | |
| midnight(place, shade, dark, gloom) | |
| nightfall(place, shade, dark, gloom) | |
| nighttime(place, shade, dark, gloom) | |
| non liquet | |
| obscure | |
| oracularity | |
| semidarkness(place, shade, dark, gloom) | |
| shade(place, dark, gloom, darkness) | |
| uncertainty of | |
| witching hour(expression, place, shade, dark) | |
| woolliness | |
| coverage | |
| dusk(place, shade, dark, gloom) | |
| imperviousness | |
| milkiness | |
| place(shade, gloom, darkness, night) | |
| shadows(place, shade, dark, gloom) | |
| smokiness(obscurity, fogginess, mistiness) | |
| twilight(place, shade, dark, gloom) |
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| APA | Smart Define. (2016). opacity thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/opacity/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "opacity thesaurus" https://smartdefine.org/opacity/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, opacity thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/opacity/thesaurus/synonyms>. |
| MLA | Smart Define. "opacity thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/opacity/thesaurus/synonyms> |