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opaque

  • adjective
  • /əʊˈpeɪk/

Neither reflecting nor emitting light.

Other meanings

  1. Allowing little light to pass through, not translucent or transparent.

  2. Unclear, unintelligible, hard to get or explain the meaning of.

Related words

  • nonopaque
  • opacify
  • semiopaque
  • subopaque
  • unopaque
  • opaquely
  • opaquen
  • opaqueness
  • opaque box
  • radio-opaque
  • radiopaque
  • referentially opaque

Word history

From Latin "opacus" (shaded, shady, dark).

Where this comes from

This definition is adapted from “opaque” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.