opacity
noun
opac·i·ty
ō-ˈpa-sə-tē 
plural opacities
1
a
: obscurity of sense : unintelligibility
b
: the quality or state of being mentally obtuse : dullness
2
: the quality or state of a body that makes it impervious to the rays of light
broadly
: the relative capacity of matter to obstruct the transmission of radiant energy
3
: an opaque spot in a normally transparent structure (such as the lens of the eye)
Examples of opacity in a Sentence
the opacity of the glass
Critics have noted the opacity of her writing style.
Recent Examples on the Web
These leggings offer reliable compression, great opacity, and feel comfy from the first wear.
—
Kristen Philipkoski, Forbes.com, 22 Apr. 2025
The opacity of the resulting works added yet another dimension to Eversley’s practice.
—News Desk, Artforum, 24 Mar. 2025
The White House’s unwillingness to state who its administrator is only adds to that sense of opacity.
—Theodore Schleifer, New York Times, 18 Feb. 2025
This opacity fuels her push for mapping Toronto’s Black cultural ecosystem.
—Byron Armstrong, Forbes.com, 10 Apr. 2025
See All Example Sentences for opacity
Examples are automatically compiled from online sources to
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Kristen Philipkoski, Forbes.com, 22 Apr. 2025
The opacity of the resulting works added yet another dimension to Eversley’s practice.
—News Desk, Artforum, 24 Mar. 2025
The White House’s unwillingness to state who its administrator is only adds to that sense of opacity.
—Theodore Schleifer, New York Times, 18 Feb. 2025
This opacity fuels her push for mapping Toronto’s Black cultural ecosystem.
—Byron Armstrong, Forbes.com, 10 Apr. 2025
See All Example Sentences for opacity
Cite this Entry
“Opacity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/opacity. Accessed 1 May. 2025.
Copy CitationKids Definition
Medical Definition
opacity
noun
opac·i·ty
ō-ˈpas-ət-ē
plural opacities
1
: the quality or state of a body that makes it impervious to the rays of light
broadly
: the relative capacity of matter to obstruct by absorption or reflection the transmission of radiant energy (as X-rays, infrared radiation, or sound)
2
: an opaque spot in a normally transparent structure (as the lens of the eye)
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