Find Synonyms

lightproof Synonyms

Another word for lightproof

Choosing another word for lightproof depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Impervious to light; preventing light from entering, passing through, or causing damage.

Usage Example

"Photographic film must be stored in a light-tight container until it has been fully developed."

Strongest
light-tight
Strong
opaque
impenetrable
Weak
blackout

• verb (Context 2)

To seal or treat a room, container, or material so that light cannot penetrate it.

Usage Example

"The technician used heavy black tape and blackout curtains to black out the makeshift darkroom."

Strong
black out
darken
Weak
seal

Opposites of lightproof

The opposite of lightproof shifts depending on context. Common opposites include:

transparent
translucent
illuminate
expose
permeable
See all opposites of lightproof

• Nearby Words

lightly
lightness
lightning
lightproof
lights
lightspeed
lightweight

Cite this Entry

Wordmom. (2026). Synonyms for Lightproof. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/lightproof
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