opaque

Adjective
Synonyms: unintelligible

WordNet 3.0

Adjective (2)

  1. not transmitting or reflecting light or radiant energy; impenetrable to sight“opaque windows of the jail”“opaque to X-rays”
  2. not clearly understood or expressedSynonyms: unintelligible
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Webster's Dictionary (GCIDE)

Opaque \O*paque"\, n. That which is opaque; opacity. --Young. [1913 Webster]
Opaque \O*paque"\, a. [F., fr. L. opacus. Cf. Opacous.] [1913 Webster]

1.Impervious to the rays of light; not transparent; as, an opaque substance. [1913 Webster]

2.Obscure; not clear; unintelligible. [Colloq.] [1913 Webster]

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