Adjacent Words

Opaque definitions

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Webster's 1828 Dictionary

OPAQUE. [See Opake.]

WordNet (r) 3.0 (2005)

adj
1: not transmitting or reflecting light or radiant energy; impenetrable to sight; "opaque windows of the jail"; "opaque to X-rays" [ant: clear]
2: not clearly understood or expressed [syn: opaque, unintelligible]

Merriam Webster's

adjective Etymology: Latin opacus Date: 1641 1. exhibiting opacity ; blocking the passage of radiant energy and especially light 2. a. hard to understand or explain <opaque prose> b. obtuse, thickheaded • opaque noun • opaquely adverb • opaqueness noun

Oxford Reference Dictionary

adj. & n. --adj. (opaquer, opaquest) 1 not transmitting light. 2 impenetrable to sight. 3 obscure; not lucid. 4 obtuse, dull-witted. --n. 1 an opaque thing or substance. 2 a substance for producing opaque areas on negatives. Derivatives: opaquely adv. opaqueness n. Etymology: ME opak f. L opacus: spelling now assim. to F

Webster's 1913 Dictionary

Opaque O*paque", a. [F., fr. L. opacus. Cf. Opacous.] 1. Impervious to the rays of light; not transparent; as, an opaque substance. 2. Obscure; not clear; unintelligible. [Colloq.]

Webster's 1913 Dictionary

Opaque O*paque", n. That which is opaque; opacity. --Young.

Collin's Cobuild Dictionary

1. If an object or substance is opaque, you cannot see through it. You can always use opaque glass if you need to block a street view. ? transparent ADJ 2. If you say that something is opaque, you mean that it is difficult to understand. ...the opaque language of the inspector's reports. ADJ

Soule's Dictionary of English Synonyms

a. Not transparent.

Moby Thesaurus

Boeotian, abstruse, adiaphanous, ambiguous, amorphous, amphibological, arcane, asinine, backward, baffling, becloud, beef-brained, beef-witted, black, blind, blockish, blurred, blurry, bovine, chumpish, clear as mud, cloddish, cloud, clouded, cloudy, cowish, crass, cryptic, dark, darken, dense, dim, doltish, dull, dull-witted, dullard, dumb, duncical, duncish, dunderheaded, elusive, enigmatic, equivocal, fat, foggy, fuzzy, gross, grumly, hazy, impenetrable, impermeable, impervious to light, indefinite, indeterminate, indistinct, ineducable, intransparent, klutzy, lumpish, misty, muddy, murky, mysterious, mystifying, nebulous, nubilous, oafish, obfuscated, obscure, obscured, obtuse, perplexing, puzzling, recondite, roiled, roily, shadowy, shapeless, slow, smoky, sottish, stolid, stupid, tenebrous, thick, thickheaded, transcendent, turbid, uncertain, unclear, unfathomable, unintelligent, unintelligible, unplain, unteachable, vague, wrongheaded