What does opaqueness mean?
Opaqueness is the quality of being opaque, meaning difficult to see through, understand, or scrutinize. Applied to glass, paint, or fog, it describes a physical lack of transparency. Applied to institutions, policies, or communication, it means that information, reasoning, or decision-making is hidden from view or presented in a confusing way. The word often carries a critical connotation: opaque processes can imply secrecy, evasion, or deliberate obstruction, although it can also describe an unfortunate lack of clarity rather than intentional concealment. It is especially common in political, corporate, and legal discourse, where discussion of transparency and accountability is frequent. Compared with opacity, opaqueness more clearly foregrounds the quality of a process or material. In everyday use, it is a formal alternative to saying that something is unclear, hard to understand, or difficult to see through.
nounThe quality of being opaque, especially the condition of being difficult to see through or understand. It can refer to a material's lack of transparency or, figuratively, to a lack of clarity in information, decisions, or conduct.
- The quality of being opaque or difficult to see through.
- The state or quality of being unclear, obscure, or difficult to understand.
"The report was criticized for the opaqueness of its financial disclosures."
"The opaqueness of the frosted glass made it impossible to see the room beyond."
"Citizens welcomed the proposal but continued to object to the opaqueness of the review process."
Plural forms are uncommon because opaqueness is normally used as an uncountable noun.
"The different opaquenesses of the two materials were tested under identical conditions."
In physics, opacity describes how strongly a material blocks light; in everyday discussion, the same word can expose how little we are allowed to know about decisions made in our name.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does opaqueness come from?
Opaqueness comes from opaque, which was borrowed from French opaque and ultimately from Latin opacus, meaning dark or opaque. The Latin root is also the source of opacity, opacify, and opalescent. The abstract noun opaqueness became established in English as a name for the quality of being difficult to see through or understand.
Related word forms
How opaqueness is actually used
In modern usage, opaqueness is especially common in formal contexts discussing government, business, and institutional transparency. It can sound deliberately formal and mildly critical, suggesting that information is being concealed, obscured, or made unnecessarily difficult to access.
Easily confused with opaqueness
Opacity is the condition or degree of being opaque, while opaqueness more explicitly names the quality of being difficult to see through or understand.