Find Antonyms

lightproof Antonyms

Opposite of lightproof

Because the opposite of lightproof shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast 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 transparent container until it has been fully developed."

Strongest
transparent
Strong
translucent
permeable

• 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 illuminate the makeshift darkroom."

Strong
illuminate
expose

Similar words to lightproof

Words similar to lightproof shift depending on context. Common synonyms include:

light-tight
black out
opaque
impenetrable
darken
blackout
seal
See all synonyms of lightproof

• Nearby Words

lightly
lightness
lightning
lightproof
lights
lightspeed
lightweight

Cite this Entry

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