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Showing results for opaque. Search instead for opaquel.
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.

A key issue is that many decisions are now made by automated or opaque systems.

From Science Daily • Apr. 5, 2026

How that starting rate is set is opaque.

From MarketWatch • Apr. 1, 2026

Residents are criticizing a state law that requires permits and fees for building projects near Joshua trees, saying it’s opaque, confusing and onerous for those who want to improve or even maintain their properties.

From Los Angeles Times • Mar. 30, 2026

It Is fast-growing, opaque and intertwined with banks but lacks the scale and leverage that cashiered the economy in 2007.

From The Wall Street Journal • Mar. 30, 2026

He wore glasses, one of which was painted an opaque white.

From "Bad Boy" by Walter Dean Myers

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.