Search Dictionary
Definition of opaque

opaque

/oʊˈpeɪk/
o · paque

Adverb:opaquely
•
Plural:opaques
•
Past Simple:opaqued
•
Past Participle:opaqued
•
Present Participle:opaquing
JUMP TO:

opaque Lexical Profile

opaque Game Scores & Validity

• adjective

1

Not able to be seen through; not allowing light to pass through.

Example

"The laboratory chemicals are stored in opaque brown bottles to prevent degradation from sunlight."


2

Difficult or impossible to understand, explain, or interpret; lacking clarity or transparency.

Example

"The tax code is full of opaque legal jargon that confuses ordinary citizens."

Synonyms
View all synonyms for opaque
Antonyms
View all antonyms for opaque

• noun

1

A pigment, liquid, or substance used in photography, printing, or dental work to block out light or mask an area.

Example

"The technician applied a thin layer of opaque to the negative to mask the unwanted background details."

• verb

1

To make impervious to light, or to paint over an area of a photographic negative or printing plate to block light.

Example

"The darkroom assistant carefully opaqued the pinholes on the film negative before making the final print."

Word Nuance & Usage

Do not confuse 'opaque' with 'translucent' or 'transparent'; an opaque material blocks all light completely, whereas a translucent material allows diffused light to pass through without showing clear images.

• Rhymes for opaque

Word Origin & Etymology

Borrowed in the 15th century from Middle French opaque or directly from Latin opacus, meaning 'shaded, dark, or obscure'.

Cite this Entry


Wordmom. (2026). Definition of Opaque. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/opaque
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.