English Explanatory Dictionary

opaque

English dictionary entry

Meanings

adj
  1. Neither reflecting nor emitting light.
  2. Allowing little light to pass through, not translucent or transparent.
  3. Unclear, unintelligible, hard to get or explain the meaning of.
  4. Obtuse, stupid.
  5. Describes a type for which higher-level callers have no knowledge of data values or their representations; all operations are carried out by the type's defined abstract operators.
noun
  1. An area of darkness; a place or region with no light.
  2. Something which is opaque rather than translucent.
verb
  1. To make, render (more) opaque.

Pronunciation

/əʊˈpeɪk/ LL-Q1860 (eng)-Vealhurl-opaque.wav /oʊˈpeɪk/ /əʉˈpæɪk/ [ɐʉˈpæɪk] /ɐʉˈpæɪk/

Word forms

opaque more opaque opaquer most opaque opaquest opake opaques opaquing opaqued

Etymology

From Middle English opake, from Latin opacus (“shaded, shady, dark”) (of unknown origin), later reinforced from Middle French opaque. Doublet of ubac.

Synonyms

adiaphanous nontransparent opacous opacular opaque thick blur cloud

Antonyms

see-through translucent transparent clear obvious oblique bright brilliant turbid

Related words

opacity translucent

Derived words

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