To pronounce "lightproof", say LIGHTPR-oof — 2 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
lightproof
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2
Syllables
10
Letters
LIGHTPR-oof
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"lightproof" has 2 syllables: lightpr-oof.
adjective
"Lightproof" has 2 syllables: lightpr · oof.
Lightproof: Sealed so that no light can enter.
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