Noun

• S: (n) opacity (the phenomenon of not permitting the passage of electromagnetic radiation)
• S: (n) opacity, opaqueness (incomprehensibility resulting from obscurity of meaning)
• direct hypernym / inherited hypernym / sister term
• S: (n) incomprehensibility (the quality of being incomprehensible)
• S: (n) inscrutability (the quality of being impossible to investigate) "the inscrutability of the future"
• S: (n) illegibility (the quality of writing (print or handwriting) that cannot be deciphered)
• S: (n) impenetrability, impenetrableness (incomprehensibility by virtue of being too dense to understand)
• S: (n) noise (incomprehensibility resulting from irrelevant information or meaningless facts or remarks) "all the noise in his speech concealed the fact that he didn't have anything to say"
• S: (n) opacity, opaqueness (incomprehensibility resulting from obscurity of meaning)
• S: (n) obscureness, obscurity, abstruseness, reconditeness (the quality of being unclear or abstruse and hard to understand)
• S: (n) unintelligibility (incomprehensibility as a consequence of being unintelligible)
• S: (n) unclearness (incomprehensibility as a result of not being clear)
• derivationally related form
• W: (adj) opaque [Related to: opacity, opaqueness] (hard or impossible to understand)
• S: (n) opacity, opaqueness (the quality of being opaque to a degree; the degree to which something reduces the passage of light)