- opaque
- adj1. nontransparent, untransparent, nontranslucent, impervious to light; clouded, cloudy, nubilous, filmy; turbid, dense, murky; shady, hazy, foggy, misty, blurred, frosty; dirty, dingy, muddy, sooty, smoky, fuliginous; dark, black, overcast, gloomy.2. dull, lusterless, dim, tarnished, not bright or shining, unglazed, mat.3. obscure, vague, unclear, indefinite, uncertain, doubtful, dubious; abstruse, recondite, arcane; ambiguous, equivocal, cryptic, enigmatic; unfathomable, impenetrable, mysterious, perplexing, puzzling, confusing, confused.4. unintelligent, witless, slow-witted, dull-witted, dull; stolid, obtuse, crass, Boeotian, bovine, blockish, lumpish; dense, thickheaded, Inf. thick, slow, stupid, Australian Inf. dill, Scot, and North Eng. dowf; backward, doltish, Sl. birdbrained, simple; empty-headed, vacuous; unimaginative, undiscerning.
A Note on the Style of the synonym finder. 2014.