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Definitions

opaque

[oh-peyk] / oʊˈpeɪk /
ADJECTIVE
clouded, muddy
Synonyms
STRONGEST
blurred cloudy dirty dull frosty gloomy hazy impenetrable murky thick
WEAK
dark darkened dim dusky filmy foggy fuliginous lusterless misty muddied nontranslucent nontransparent nubilous obfuscated shady smoky sooty turbid
Antonyms
STRONGEST
bright clear intelligent light luminous smart sparkling sunny thin vivacious
WEAK
crystal-clear easy lucid translucent transparent unambiguous unclouded understandable
ADJECTIVE
hard to understand
Synonyms
STRONGEST
arcane equivocal incomprehensible uncertain unclear unintelligible vague
WEAK
abstruse amphibological baffling concealed cryptic difficult enigmatic imperceptive nubilous obscure obtuse perplexing purblind tenebrous unfathomable
Antonyms
STRONGEST
certain clear comprehensible definite determined intelligible sure understandable
WEAK
crystal-clear easy lucid translucent transparent unambiguous unclouded

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For instance, they might think they want a Booker Prize finalist, only to find it infuriatingly opaque.

From Los Angeles Times • Apr. 9, 2026

The remainder may still be trapped inside the deportation process, opaque even to those inside it.

From Barron's • Apr. 7, 2026

How that starting rate is set is opaque.

From MarketWatch • Apr. 1, 2026

Customers buy tokens to use AI services - but the amount of tokens needed for each task is sometimes opaque.

From BBC • Apr. 1, 2026

The windows in Bernabe Montoya’s truck steamed up, becoming so opaque that you couldn’t see what was happening inside.

From "The Milagro Beanfield War" by John Nichols

Vocabulary lists containing opaque

Ender's Game

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A Thousand Splendid Suns

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The Things They Carried

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!