One morning, Tom cleaned his window but still could not see outside. The glass looked dull and dark. He rubbed his eyes and felt confused. “Why is this so hard to see?” he asked. That glass was opaque.
In very simple English, opaque means not clear or not easy to see through. Light cannot pass through it well. Sometimes ideas, rules, or messages can also be opaque.
Learning synonyms for opaque helps students understand reading better. Bloggers and content writers use these words to explain unclear ideas. Daily English users use them in simple talk. Knowing many synonyms for opaque makes your writing clearer and your meaning stronger.
List of Synonyms for Opaque
Cloudy
Meaning: Not clear to see through.
Examples:
- The water looks cloudy today.
- His glasses became cloudy.
Murky
Meaning: Dark and hard to see.
Examples:
- The pond water is murky.
- The story felt murky.
Hazy
Meaning: Not sharp or clear.
Examples:
- The sky looks hazy.
- Her memory is hazy.
Foggy
Meaning: Covered with fog or confusion.
Examples:
- The morning was foggy.
- His mind felt foggy.
Blurry
Meaning: Not clear in shape.
Examples:
- The photo is blurry.
- My vision turned blurry.
Dark
Meaning: With little or no light.
Examples:
- The room is dark.
- The glass looks dark.
Dull
Meaning: Not bright or clear.
Examples:
- The surface looks dull.
- The colors turned dull.
Smoky
Meaning: Filled with smoke.
Examples:
- The air became smoky.
- The room looked smoky.
Misty
Meaning: Lightly covered with mist.
Examples:
- The hills looked misty.
- The mirror was misty.
Shadowy
Meaning: Full of shadows.
Examples:
- The alley looked shadowy.
- The room felt shadowy.
Obscure
Meaning: Hard to understand or see.
Examples:
- The message was obscure.
- The rule seems obscure.
Unclear
Meaning: Not easy to understand.
Examples:
- The instructions are unclear.
- His answer was unclear.
Confusing
Meaning: Hard to understand.
Examples:
- The form is confusing.
- The lesson felt confusing.
Vague
Meaning: Not clear or detailed.
Examples:
- His reply was vague.
- The plan sounds vague.
Ambiguous
Meaning: Having more than one meaning.
Examples:
- The sentence is ambiguous.
- Her words felt ambiguous.
Indistinct
Meaning: Not easy to see or hear.
Examples:
- The shape was indistinct.
- His voice was indistinct.
Fuzzy
Meaning: Soft and unclear.
Examples:
- The image looks fuzzy.
- My thoughts are fuzzy.
Muddy
Meaning: Dirty and unclear.
Examples:
- The water turned muddy.
- The idea got muddy.
Dim
Meaning: Not bright.
Examples:
- The light is dim.
- The screen looks dim.
Veiled
Meaning: Hidden or covered.
Examples:
- Her face was veiled.
- The truth felt veiled.
Covered
Meaning: Hidden under something.
Examples:
- The glass is covered.
- The box stayed covered.
Blocked
Meaning: Not letting light pass.
Examples:
- The window is blocked.
- The view was blocked.
Sealed
Meaning: Closed tightly.
Examples:
- The bottle is sealed.
- The window stayed sealed.
Solid
Meaning: Not see-through.
Examples:
- The wall is solid.
- The door looks solid.
Thick
Meaning: Hard to see through.
Examples:
- The glass is thick.
- The fog is thick.
Dense
Meaning: Closely packed.
Examples:
- The smoke is dense.
- The forest looks dense.
Heavy
Meaning: Strong and blocking.
Examples:
- The clouds are heavy.
- The air felt heavy.
Shaded
Meaning: Protected from light.
Examples:
- The window is shaded.
- The area stayed shaded.
Tinted
Meaning: Colored to block light.
Examples:
- The car has tinted glass.
- The window looks tinted.
Smudged
Meaning: Marked and unclear.
Examples:
- The mirror is smudged.
- The screen got smudged.
Frosted
Meaning: Made unclear on purpose.
Examples:
- The bathroom glass is frosted.
- The door has frosted panels.
Darkened
Meaning: Made less bright.
Examples:
- The room was darkened.
- The glass darkened.
Shadowed
Meaning: Covered by shadows.
Examples:
- The wall is shadowed.
- His face was shadowed.
Hidden
Meaning: Not visible.
Examples:
- The view is hidden.
- The message stayed hidden.
Closed
Meaning: Not open or clear.
Examples:
- The blinds are closed.
- The door stayed closed.
Masked
Meaning: Covered to hide.
Examples:
- The smell was masked.
- The truth felt masked.
Murked
Meaning: Made dark or unclear.
Examples:
- The water got murked.
- The glass looked murked.
Blacked-out
Meaning: Fully dark.
Examples:
- The window is blacked-out.
- The room was blacked-out.
Screened
Meaning: Blocked by a screen.
Examples:
- The porch is screened.
- Light felt screened.
Filtered
Meaning: Light blocked partly.
Examples:
- The sun was filtered.
- The glass is filtered.
Smoked
Meaning: Darkened with smoke color.
Examples:
- The windows are smoked.
- The room looked smoked.
Hard-to-see
Meaning: Not easy to see through.
Examples:
- The glass is hard-to-see.
- The surface looks hard-to-see.
Not Clear
Meaning: Easy words for opaque.
Examples:
- The meaning is not clear.
- The glass is not clear.
Light-blocking
Meaning: Stops light from passing.
Examples:
- The curtain is light-blocking.
- The panel blocks light.
Solid-looking
Meaning: Appears not see-through.
Examples:
- The wall looks solid-looking.
- The door is solid-looking.
Conclusion
Learning synonyms for opaque helps you talk about things that are not clear. These words make your English better. Use them in emails, essays, and daily talk.

I am a professional English article writer with expertise in creating clear, well-researched, and engaging content. I specialize in writing informative articles that maintain accuracy, strong structure, and a polished tone. My work reflects a deep understanding of grammar, vocabulary, and audience needs. I am committed to delivering high-quality content that communicates ideas effectively and adds value to readers.

