Alpha stage software — under active development. Data may be incomplete or change without notice.

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US /oʊˈpeɪk/ UK /əʊˈpeɪk/
Freq #37196

Meanings

  1. 1
  2. 2

Thesaurus

2 adj · hard to understand or... obscure
More adiaphanousnontransparentopacousopacularthick
Derived forms nonopaqueopacifyopaquelyopaquenopaquenessradio-opaqueradiopaquesemiopaquesubopaqueunopaque

Etymology

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

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