opaque Synonyms

cloudy unfathomable dim nontransparent thick enigmatic cryptic dark hazy unintelligible dull obscure mysterious murky foggy dense blurred impenetrable incomprehensible unclear soupy tenebrous opacification turbid sunless turbidity vague solid smoky obscured opalescent opaqueness perplexing puzzling rayless recondite roily shadowy opacity smeary semiopaque obfuscated veiled radiopaque radio-opaque smoggy smoke-filled unanalyzable opaquely intransparent